
Takuro Fujii is a Japanese competitive swimmer and two-time Olympic medalist. He won the bronze medal by swimming the butterfly leg in the 4 × 100 m medley relay at the 2008 Summer Olympics. He followed this with a silver medal at the 2012 Summer Olympics, again in the medley relay, but this time by swimming the freestyle (anchor) leg.

Soichiro Fujitaka , nicknamed So, is a Japanese professional basketball player who plays for Bambitious Nara of the B.League in Japan.He also plays for Japan men's national 3x3 team.

Ryota Hama is a retired Japanese sumo wrestler and current professional wrestler, signed to Big Japan Pro Wrestling in the Strong BJ division.

Daisuke Harada is a Japanese professional wrestler, currently signed to Pro Wrestling Noah, where he is the current GHC Junior Heavyweight Tag Team Champion in his sixth reign, with Hajime Ohara. He’s also a four-time GHC Junior Heavyweight Champion.

Yusuke Hino , better known by the ring name Yuji Hino , is a Japanese professional wrestler, currently signed by Pro Wrestling Zero1. One of the most well-travelled heavyweights in Japan, Hino was trained by Taka Michinoku and made his debut for his Kaientai Dojo promotion in November 2003, becoming a four-time Strongest-K Champion and a four-time Strongest-K Tag Team Champion, before leaving the promotion in October 2015. He has also wrestled extensively for DDT Pro-Wrestling and Wrestle-1, where he is a former one-time KO-D Openweight Champion, a two-time KO-D Tag Team Champion and a two-time KO-D 6-Man Tag Team Champion, as well as a former Wrestle-1 Champion and Wrestle-1 Tag Team Champion.

Shota Horie is a Japanese rugby union player. His preferred position is hooker although he can also play in the back row. He represents Japan at the international level. He has played for the Panasonic Wild Knights in the domestic Japanese Top League competition, and in 2013 began playing Super Rugby with the Melbourne Rebels in Australia, but has since gone back to Japan to play for the Sunwolves.

Emiko Kado was a Japanese female professional wrestler. She died after a wrestling injury, only months into her professional career.

Toshihiro Kaneishi is a Japanese racing driver. He has competed in such series as Formula Nippon and Super GT.

Seiichiro Kashio was a tennis player from Japan, and with Ichiya Kumagae was one of the first Japanese Olympic medalists. He won the Canadian Open by defeating United States player Walter K. Wesbrook 3–6, 6–3, 6–1, 11–9.

Atsushi Kotoge is a Japanese professional wrestler, currently signed to Pro Wrestling Noah, where he is a former one-time GHC Tag Team Champion, two-time GHC Junior Heavyweight Champion and record five-time GHC Junior Heavyweight Tag Team Champion. He is also known for his time in Osaka Pro Wrestling, where he was part of the tag team Momo no Seishun Tag with Daisuke Harada. Kotoge and Harada are former three-time Osaka Pro Wrestling Tag Team Champions and have also worked together for various other promotions across Japan and for Philadelphia, Pennsylvania–based Chikara in the United States.

Kenzo Maeda is a current professional basketball head coach for Akita Northern Happinets in Japan and the former bench boss for the Takamatsu Five Arrows of the bj league. He also served as a support coach/translator for the Japan national basketball team.

Atsushi Maruyama is a Japanese professional wrestler, currently signed to All Japan Pro Wrestling (AJPW). He previously worked for Osaka Pro Wrestling under the ring name Tigers Mask . His ring name and original wrestling attire were inspired by the Hanshin Tigers baseball team.

Shizuka Matsuo is a Japanese badminton player. Born in Osaka, Matsuo once affiliated with Sanyo Electric and Panasonic badminton team, and after that joining the NTT East team in 2013. She is currently works as a doubles coach in NTT East. Matsuo was a part of the Japanese women's team bronze medalist at the 2014 Asian Games.

Takemi Miyamae is a Japanese conditioning coach for the Chunichi Dragons in Japan's Nippon Professional Baseball.
Momoe Oe , née Nakanishi (中西), born July 7, 1980 is a Japanese retired professional wrestler, better known by her maiden name, Momoe Nakanishi . Nakanishi made her debut for the All Japan Women's Pro-Wrestling (AJW) in July 1996 at the age of sixteen and during the next seven years, won all of the promotion's top titles, including the WWWA World Single Championship and the WWWA World Tag Team Championship. In 2003, Nakanishi quit AJW to become a freelancer and went on to win the AtoZ World Championship later that same year and the NEO Single and NWA Women's Pacific Championships in 2004. Nakanishi retired from professional wrestling on January 7, 2005, at the age of just twenty-four. She now works as a trainer at the U.W.F. Snakepit gym.

Shinji Nakano is a Japanese professional racing driver.

Kurumi Nara is a Japanese professional tennis player.

Yuki Nishino is a Japanese former figure skater. She is the 2007 Junior Grand Prix Final bronze medalist and represented Japan at two World Junior Championships. She won silver medals at two senior internationals, the 2011 NRW Trophy and 2012 Gardena Spring Trophy.

Shigeo Okumura is a Japanese professional wrestler who works for the Mexican professional wrestling promotion Consejo Mundial de Lucha Libre (CMLL) and is billed as Okumura. Okumura originally worked for Tokyo Pro Wrestling (TPW) and later on All Japan Pro Wrestling (AJPW) in Japan but moved to Mexico in 2005 to work for CMLL full-time. Okumura usually teams up with wrestlers from Japan who visit CMLL, currently as a group known as La Ola Amarilla. Okumura and Yujiro won the 2009 version of the Gran Alternativa tournament.

Akifumi Sakamoto is a Japanese BMX cyclist. He represented his nation Japan at the 2008 Summer Olympics, and later claimed the silver medal in the inaugural men's BMX cycling at the 2010 Asian Games.

Avi Koki Schafer is a Japanese professional basketball player for SeaHorses Mikawa of the B.League. He played college basketball for the Georgia Tech Yellow Jackets. Schafer has been a member of the Japan national basketball team.

Hashiru Shimono is a Japanese badminton player.

Naoto Tajima was a Japanese athlete who competed at the 1932 and 1936 Olympics. In 1932 he finished sixth in the long jump, while in 1936 he finished third in the long jump, behind Jesse Owens and Luz Long, and won the triple jump event, setting a world record at 16.00 m. This record stood until 1951, when Adhemar da Silva improved it by one centimeter.

Joji Takeuchi is a Japanese professional basketball player. He plays for the Alvark Tokyo of the B.League. Takeuchi also is a member of the Japan national basketball team, playing for the team in the 2006 FIBA World Championship and both the FIBA Asia Championship 2007 and FIBA Asia Championship 2009. Takeuchi's twin brother Kosuke is also a member of the Japanese national basketball team.

Kosuke Takeuchi is a Japanese professional basketball player. He plays for the Link Tochigi Brex of the B.League. Takeuchi also is a member of the Japan national basketball team, playing for the team in the 2006 FIBA World Championship and both the FIBA Asia Championship 2007 and FIBA Asia Championship 2009.

Naoto Tsuji is a Japanese professional basketball player. As of 2018 he plays for the Kawasaki Brave Thunders of the B.League.

Kaichi Uchida is a Japanese professional tennis player.

Shinya Wada is a visually impaired Japanese long-distance runner. Competing in the T11 classification, Shinya has represented his country at the 2012 Summer Paralympics in London, where he took the bronze medal in the men's 5000m T11 race. He is also a multiple World and Asian Para Games medalist, taking six medals over four tournaments.

Ryohei Yamanaka is a Japanese rugby union player who plays as a fly-half or centre.

Hiroshi Yamashita is a Japanese rugby union player. He was named in Japan's squad for the 2015 Rugby World Cup and Chiefs in Super Rugby from 2016.

Keita Yano is a Japanese professional wrestler and mixed martial artist currently working for Professional Wrestling Wallabee. He started his career with Battlarts in February 2007 and remained with the promotion for four years, winning the B-Rule Tournament in 2009. During his tenure, Yano also represented Battlarts in major Japanese promotions such as New Japan Pro-Wrestling (NJPW) and Pro Wrestling Zero1 and American promotion Chikara, where he took part in the Young Lions Cup VIII tournament in August 2010. After the folding of Battlarts, Yano began working for DDT Pro-Wrestling, where, as a representative of the Crying Wolf stable, he became a one-time Ironman Heavymetalweight Champion, before parting ways with the promotion in July 2012.
Tomoko Miyaguchi is a Japanese retired professional wrestler, better known by the ring name Ran Yu-Yu . Best known as a tag team wrestler, Yu-Yu held the JWP Tag Team Championship a record seven times, the Daily Sports Women's Tag Team Championship three times, the AAAW Tag Team Championship and the Oz Academy Tag Team Championship twice each and the International Ribbon Tag Team Championship and Wave Tag Team Championship once each, but also excelled in singles competition, most notably winning the JWP and Oz Academy Openweight Championships. She finished her 18-year career on December 9, 2012.