Top 50 Sports Influencers in Japan to Know in 2026

Credentials: Former NPB and MLB pitcher with a World Series title, according to Wikipedia · Last post: 28 September 2026 (YouTube and X).

1.2M YouTube subscribers and 686,690 followers on X. The channel, 上原浩治の雑談魂 (Uehara Koji no Zatsudan-damashii, roughly “Koji Uehara’s small-talk spirit”), is a sit-down talk show with guests and general baseball chat from the former Yomiuri Giants and Boston Red Sox pitcher. In 2023 it carried the first of Carnext’s WBC tie-in videos, and the Tokyo City Keiba racecourse named him its promotion ambassador.

Credentials: Former NPB catcher and manager, according to Wikipedia · Last post: 25 September 2026 (YouTube).

1.04M YouTube subscribers. フルタの方程式 (Furuta no Hōteishiki, “Furuta’s Formula”) has the former Yakult catcher and manager talking technique and pitch-calling with guest players. It is the technical end of the retired-player format, about how the game is played, for viewers who will sit through a long conversation about pitch sequencing.

Credentials: Professional baseball player from 1999 to 2014 (self-reported in the channel description); former NPB catcher and member of Japan’s 2006 WBC squad, according to Wikipedia · Last post: 28 September 2026 (YouTube and X).

935K YouTube subscribers and 298,380 followers on X. Satozaki Channel is a former Lotte catcher’s own take on NPB standings predictions and player analysis, running week to week from spring to the play-offs. It was one of the six channels in Carnext’s 2023 WBC tie-in series. He also runs a second channel, @enjoylife7074.

Credentials: Channel running since August 2016 (self-reported) · Affiliation: A&R, as shown in the channel name トクサンTV【A&R】 · Last post: 27 September 2026 (YouTube).

888K YouTube subscribers. トクサンTV is fronted by トクサン (Tokusan) and ライパチ (Raipachi), both amateur (kusa-yakyū) players, covering batting and pitching technique, equipment and collaborations with professional players. The audience is people who play on weekends and want to get better. A sub-channel, トクサンTVビヨンド (Tokusan TV Beyond), runs alongside it.

Credentials: Made his professional debut with the Taiyo Whales (now the Yokohama DeNA BayStars) and later coached Japan’s Olympic team, among other roles (self-reported in the channel description) · Last post: 28 September 2026 (YouTube).

570K YouTube subscribers. A former professional commentating on NPB games, players and managers’ decisions, with a rhythm that follows the fixture list through the season. A second channel (@Takagiyutakasecond) and a radio-style channel run alongside it.

Credentials: Channel running since February 2015 (self-reported) · Last post: 28 September 2026 (YouTube).

467K YouTube subscribers. qooninTV is devoted entirely to baseball: improving at hitting and fielding, equipment reviews and baseball-themed challenges, with the host appearing alongside a group called クーニンズ (Qoonins). Its audience is amateur and youth players who buy their own gear. A sub-channel, クーニンズさぶちゃんねる (Qoonins sub-channel), runs alongside it.

Credentials: Former professional baseball player and graduate of PL Gakuen (self-reported in the channel description) · Last post: 27 September 2026 (YouTube).

327K YouTube subscribers. Baseball commentary and conversations with fellow former players, introduced through his high school, PL Gakuen. The old-boys format is aimed at viewers who already follow the professional game closely.

Credentials: Former J.League player, according to Wikipedia · Last post: 27 September 2026 (YouTube); 17 July 2026 (X).

502K YouTube subscribers and 56,996 followers on X. Entertainment football from a former J.League player: features with active players, stadium experiences and some analysis-leaning videos. YouTube is where the activity is, and corporate tie-ups sit alongside YouTube advertising in how the channel operates.

Credentials: Former Japan international who played at three World Cups, according to Wikipedia · Affiliation: Works through his own group of companies · Last post: 28 September 2026 (X); 27 September 2026 (YouTube).

446K YouTube subscribers and 1,805,591 followers on X. Both accounts are run in his own voice, covering his personal challenges, his businesses in investment, education and football, and youth projects such as four-a-side (4v4) tournaments. X carries most of the reach, and the channels also promote his own ventures.

Credentials: Described as manager and owner of the amateur club シュワーボ東京 (Schwarbo Tokyo) by the club’s website and Wikipedia; a former comedian, according to Wikipedia · Affiliation: Independent / Schwarbo Tokyo · Last post: 28 September 2026 (YouTube).

351K YouTube subscribers. One of Japan’s early football tactics channels, breaking down the national team and European football, alongside documentary videos about Schwarbo Tokyo, the adult club he owns. According to Wikipedia he has hosted Japan internationals Hidemasa Morita, Hiroki Sakai and Kaishu Sano. Memberships and books sit alongside advertising, and many authorised clip channels re-cut his videos.

Credentials: Japan international who has played at multiple World Cups, according to Wikipedia · Last post: 21 September 2026 (X); 12 August 2026 (YouTube).

250K YouTube subscribers and 1,299,840 followers on X. His content is about self-management: core training, diet and mental preparation, on YouTube and Instagram. YouTube updates are occasional, while X is active week to week. His business activity includes books and ventures around his diet method.

Credentials: Author of the book サッカー戦術の黄金則 (Sakkā Senjutsu no Ōgonsoku, “The Golden Rules of Football Tactics”), linked from the channel description · Last post: 28 September 2026 (YouTube).

217K YouTube subscribers. Tactical analysis of the Japan national team and European football from a creator working under the channel name, together with a documentary series about GOAT FC, a club the creator set up. An official clip channel, @GOAT_Theory, re-cuts the videos.

Credentials: Japan international, according to Wikipedia · Last post: 14 August 2026 (YouTube); 12 August 2026 (X).

188K YouTube subscribers and 411,358 followers on X. A Japan midfielder playing in Europe who shares his training and private life on Instagram and his own YouTube channel, a route to national-team fans through a player’s own account. Posting is occasional.

Credentials: Mixed martial artist who has competed in RIZIN (per Wikipedia) · Last post: 20 September 2026 (main channel); 29 August 2026 (second channel).

3.55M subscribers on the main channel and 609K on a second channel. The fight world seen from the inside: what happens behind the scenes of a bout, training, and planned entertainment formats built around combat sports, reaching an audience broader than people who watch full fight cards. He is also involved in fight events and businesses of his own.

Credentials: K-1 WORLD MAX world champion (per Wikipedia) · Last post: 28 September 2026 (YouTube).

677K YouTube subscribers. Three strands: talking points from the combat-sports world, training, and his private life. Much of it reads as a former world champion commenting on the sport rather than preparing for bouts. His work also includes television.

Credentials: The elder brother, Shin, describes himself as a professional fighter and combat-sports specialist (self-reported in the channel description) · Last post: 24 September 2026 (YouTube).

375K YouTube subscribers. A brothers’ channel: Shin presents and his younger brother Naoto edits. Fight analysis delivered as entertainment, for viewers who come to have a bout explained rather than to follow one fighter’s career.

Credentials: Former RIZIN and Bellator champion who has also fought in the UFC (per Wikipedia) · Last post: 27 September 2026 (X and YouTube).

358K YouTube subscribers and 504,523 followers on X. A mixed martial artist based in the United States showing his training, his technique and his life there, with both accounts active. The content moves between a Japanese audience and life abroad.

Credentials: Three-division champion in K-1 (per Wikipedia) · Last post: 28 September 2026 (X); 3 August 2026 (YouTube).

693,479 followers on X and 260K YouTube subscribers. Training, fights and private life, with Instagram as his main channel of expression and X active day to day. YouTube uploads are less regular, so short-form and social placements suit the account best.

Credentials: Four-belt unified champion in two weight classes (per Wikipedia) · Affiliation: 大橋ボクシングジム (Ohashi Boxing Gym) (per Wikipedia) · Last post: 28 September 2026 (X).

1,010,307 followers on X. Fight announcements, training and family, posted across Instagram and X. The feed follows the cycle of bout announcements and preparation, so a placement usually takes the form of a campaign moment around a fight.

Credentials: JLPGA Tour winner, including the Japan Women’s Open (per Wikipedia) · Last post: 22 September 2026 (Instagram).

438K Instagram followers. A women’s tour professional posting fashion-conscious photography alongside her tournaments, treating golf as something worn and styled as well as played. She works through sponsor and apparel agreements, and the feed suits the Instagram-led ambassador work that golf apparel brands in Japan give women’s tour pros.

Credentials: Professional golf coach (self-reported) · Affiliation: Runs lesson events and competitions around Japan · Last post: 27 September 2026 (YouTube).

467K YouTube subscribers. Swing instruction built around what the channel calls a “maximum efficiency swing”, for golfers who lack power but want distance, mixed with variety formats. The channel description states that he has coached more than 20,000 people.

Affiliation: Runs a lesson business · Last post: 26 September 2026 (YouTube).

444K subscribers on 三觜喜一MITSUHASHI TV, with a second channel, 3284TVサブチャンネル, alongside it. Lessons that solve the problems amateur golfers bring, framed around what the channel calls a “global standard” swing, so each episode is built around a specific fault and its fix.

Affiliation: 山本道場 (Yamamoto Dojo), a golf school · Last post: 28 September 2026 (YouTube).

256K YouTube subscribers. The channel teaches what it calls a “native golf swing theory” and films the instructor coaching the school’s own students, giving lessons a before-and-after structure with ordinary golfers. Related channels, やまもと姉妹 and ちさとの部屋, sit around it.

Credentials: Former tour professional · Affiliation: Runs the lesson school YOKOTA GOLFBASE (per the description of a related channel) · Last post: 28 September 2026 (YouTube).

225K YouTube subscribers. Swing theory and his own views on the game from a former tour professional, followed by experienced amateurs who research clubs, shafts, balls and fittings carefully. A related channel for his school runs alongside this one.

Credentials: Lesson professional (self-reported) · Affiliation: Runs かっ飛びゴルフ塾 (Kattobi Golf Juku), a golf school · Last post: 28 September 2026 (YouTube).

201K subscribers on the Kattobi Golf Juku channel. Lessons specialised entirely in adding distance, and the channel description states a driver distance of 406 yards for him. He also has a smaller personal channel, separate from the school channel.

Last post: 27 September 2026 (YouTube).

385K YouTube subscribers. The enjoyment, knowledge and technique of running: running form, plus race challenges in which he enters events and documents his attempts. It is instruction and challenge content pitched at people who already run or want to start.

Credentials: Has run in the Hakone Ekiden (self-reported in the channel description) · Last post: 28 September 2026 (YouTube).

171K YouTube subscribers. Running combined with comedy: marathons and track races, a recurring 1,000-metre series, and filming with strong school teams as they train, reaching students and younger recreational runners. A second channel, 人間の田村さん (@ningen_tamu0402), runs alongside it.

Credentials: Two World Championships bronze medals in the 400 m hurdles and a former Japan international in the event (per Wikipedia) · Last post: 28 September 2026 (YouTube).

153K subscribers to the Tamesue Academy channel on YouTube. How to run, how to use the body, and broader thinking about sport, in a register of explanation rather than entertainment. His work also includes speaking, books and a school business.

Credentials: Represented Japan in the marathon, finishing sixth at the Tokyo Olympics (per Wikipedia) · Last post: 28 September 2026 (YouTube); 29 July 2026 (X).

111K YouTube subscribers and 198,173 followers on X. Training, racing and his thinking about running, with a strong audience among recreational marathoners; Wikipedia also describes him as a former Japanese marathon record holder. YouTube is the live channel. He holds existing sponsor contracts, shoes among them.

Credentials: Multiple MLB MVP awards (per Wikipedia) · Last post: 22 August 2026 (Instagram).

10.75M Instagram followers, the largest count in this guide. A two-way player in Major League Baseball who uses Instagram sparingly, for games and a limited view of his private life, including his family and his dog. The value lies in association with the athlete rather than in regular sponsored posts.

Credentials: Four Grand Slam titles and a former world No. 1 ranking (per Wikipedia) · Last post: 27 September 2026 (Instagram); 23 September 2026 (X).

3.45M Instagram followers and 1,061,848 on X. Fashion and her matches, posted mainly in English, for an audience in which Japan is one market among several. She also runs brand ventures of her own alongside advertising work with global brands.

Credentials: Formerly with Orix, now with the Dodgers in MLB (per Wikipedia) · Last post: 6 September 2026 (Instagram).

2.35M Instagram followers. Games and training from the MLB pitcher, followed by fans in Japan and the United States. Instagram is where he posts, and the training content shows his preparation.

Credentials: Japan national team player (per Wikipedia) · Last post: 24 September 2026 (Instagram).

1.85M Instagram followers, the largest among the European-based footballers here. A Japan international playing club football in Europe, posting matches and daily life; the daily-life posts give brands a way in without match footage.

Credentials: Japan national team player and a graduate of the University of Tsukuba (per Wikipedia) · Last post: 16 March 2026 (Instagram).

1.34M Instagram followers. A Japan international playing in Europe, sharing matches and off-pitch moments. The account is updated occasionally, so the follower count reflects the audience that follows him rather than the reach of a scheduled post.

Credentials: Formerly with Chiba Lotte, where he pitched a perfect game, now with the Dodgers in MLB (per Wikipedia) · Last post: 1 May 2026 (Instagram).

1.3M Instagram followers. The MLB pitcher posts rarely and the feed is short, so the follower count shows the size of the audience interested in him rather than the reach of a post on a chosen date.

Credentials: Japan national team player (per Wikipedia) · Last post: 4 September 2026 (Instagram).

1.26M Instagram followers. A Japan international playing in Europe, posting matches and his private life. The off-pitch posts give apparel, grooming, food and consumer-technology brands a place without match images. Instagram is the channel to plan around.

Credentials: A long career in MLB and NPB and has represented Japan at the World Baseball Classic (per Wikipedia) · Last post: 8 September 2026 (X); 12 May 2026 (YouTube).

2,857,180 followers on X and 686K YouTube subscribers; the largest X following in this guide. He explains things himself: breaking pitches, training theory and nutrition, for players and serious fans. X is the active channel, where he takes part in public discussion; YouTube uploads are infrequent.

Credentials: NBA player and Japan national team player (per Wikipedia) · Last post: 28 September 2026 (YouTube); 23 September 2026 (X).

104K YouTube subscribers and 357,601 followers on X. The YouTube channel, under his BLACK SAMURAI name, documents his life and activities in the United States, a setting away from game footage for travel, food and lifestyle products. BLACK SAMURAI is also his own brand.

Credentials: Member of the Japan men’s national volleyball team (per Wikipedia) · Last post: 20 September 2026 (Instagram).

2.11M Instagram followers. Match content alongside his life away from the court, from a player described as playing in Italy’s Serie A. Instagram is his only channel here, with still images and short clips that sit between match coverage and everyday life.

Credentials: Olympic gold medallist in skateboarding at Tokyo and Paris (per Wikipedia) · Last post: 25 September 2026 (Instagram); 3 August 2026 (X).

1.96M Instagram followers and 330,765 on X. Street skateboarding footage and fashion, with Instagram as the active channel. His audience comes for how he skates and what he wears rather than for product reviews. He already holds advertising contracts with global brands.

Credentials: Olympic gold medallist in snowboard halfpipe at Beijing (per Wikipedia) · Last post: 21 September 2026 (Instagram); 6 March 2026 (X).

872K Instagram followers and 307,924 on X. Competition alongside photography with a strong artistic eye, with Instagram as the channel to plan around. A considered image suits the feed better than a scripted product demonstration.

Credentials: Olympic gold medallist at Tokyo and world champion in women’s judo (per Wikipedia) · Affiliation: Corporate-team athlete · Last post: 7 September 2026 (Instagram); 26 June 2026 (X).

769K Instagram followers and 56,799 on X. Her women’s 52kg judo career alongside training and daily life, mostly on Instagram. Posting is less frequent than for some others here, so campaign dates are best agreed in advance. As a corporate-team athlete, her employer’s approval comes first.

Credentials: Olympic gold medallist in figure skating at Sochi and PyeongChang (per Wikipedia); now a professional skater · Last post: 21 September 2026 (X).

817K YouTube subscribers on the official channel and 273,386 followers on X. The channel carries ice-show and performance footage for an engaged fan base in Japan and overseas, and the X and Instagram accounts are run by staff. Partnerships sit around the performances, such as ice-show support or a presenting credit.

Credentials: Member of the Japan men’s national volleyball team (per Wikipedia) · Last post: 29 August 2026 (YouTube).

604K YouTube subscribers on 西田有志チャンネル (Yuji Nishida Channel). Training, everyday life and videos made with his wife, in a long-form format where a product can be explained rather than just shown.

Credentials: Member of the Japan men’s national volleyball team (per Wikipedia) · Last post: 28 September 2026 (YouTube).

386K YouTube subscribers on RanRui, a channel he runs with his older brother Rui. Daily life and planned entertainment segments with a strong following among women, entertainment first rather than a volleyball tutorial. Both brothers appear on screen.

Credentials: Olympic team medallist in table tennis at London, Rio and Tokyo (per Wikipedia); retired from competition · Last post: 20 July 2026 (YouTube).

164K YouTube subscribers on the official channel @kasuminch. Promoting table tennis, conversations with guests and everyday life; since retiring, her work has centred on promotion events and advertising. The channel does not run on a weekly rhythm.

Credentials: Coached by 坪井慶介 (Keisuke Tsuboi), described in the channel description as a former Japan international · Affiliation: A football team of comedians · Last post: 28 September 2026 (YouTube).

629K YouTube subscribers on @smilers_soccer. A team of comedians, with 河本準一 (Junichi Kawamoto) as manager and Tsuboi as coach, posting weekly match and challenge videos towards a stated goal of filling the National Stadium. Each performer on screen may have separate management.

Last post: 27 September 2026 (YouTube).

298K YouTube subscribers on @herniakokumonogatari. A volleyball group making daily videos across YouTube, Instagram and TikTok so that people who have never played can still enjoy them, which puts a placement in front of a casual audience rather than a specialist one.

Credentials: A member of the comedy duo さらば青春の光 (Saraba Seishun no Hikari) · Last post: 28 September 2026 (YouTube).

231K YouTube subscribers on @bukurogolf. A golf channel following his attempt to climb the ranks of entertainers who play golf, with rounds, practice and progress as a running storyline. Several of the most-viewed videos are sexualised golf formats with gravure models.

Last post: 27 September 2026 (YouTube).

207K YouTube subscribers on @Ooi-Takayoshi. A Japanese basketball channel built mainly on one-on-one games, close-range and repeatable, which puts shoes, playing kit and balls in almost every frame.