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Tomomi Aoki is a Japanese swimmer. She competed in the women's 4 × 200 metre freestyle relay event at the 2016 Summer Olympics.

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Suzuka Hasegawa is a Japanese swimmer. She competed in the women's 200 metre butterfly event at the 2016 Summer Olympics. In April 2017, Hasegawa broke the world junior record in the 200 butterfly with a 2:02.96 at Japanese Nationals. She qualified to represent Japan at the 2020 Summer Olympics.

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Nagisa Ikemoto is a Japanese swimmer. She competed in the women's 4 × 200 metre freestyle relay at the 2020 Summer Olympics.

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Kazue Kojima was a Japanese freestyle swimmer who competed in the 1932 and 1936 Summer Olympics. In 1932 she was a member of the Japanese relay team that finished fifth in the 4×100 mm freestyle relay. In the 100 m freestyle competition she was eliminated in the first round. Four years later she finished sixth in the 400 m freestyle. In the 100 m freestyle competition she was eliminated in the semi-finals, and as part of the Japanese 4 × 100 m relay team she was eliminated in the first round.

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Hatsuho Matsuzawa was a Japanese swimmer. She competed in the 100 m freestyle event at the 1932 Olympics, but was eliminated in the preliminaries.

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Sachi Mochida is a Japanese swimmer. She competed in the women's 4 × 200 metre freestyle relay event at the 2016 Summer Olympics.

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Hatsuko Morioka is a Japanese freestyle swimmer. She participated in two Olympic Games with Hideko Maehata, both of whom were from the same area, and Moriaka competed the individual 400 m and 4 × 100 m relay events at the 1932 and 1936 Summer Olympics with the best result of fifth place in the relay in 1932.

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Yoshimi Nishigawa is a retired Japanese swimmer who won ten gold medals at the Asian Games in 1970 and 1974. A versatile swimmer, she competed at the 1968, 1972 and 1976 Olympics in three events at each games and reached the final on five occasions. She married the Olympic rower Takashi Murayama.

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Yui Ohashi is a Japanese swimmer, specializing in the medley events. She became the first Japanese woman to dip beneath the 2:08-barrier in the women's 200 metre individual medley event at the 2017 World Aquatics Championships, finishing with a silver-medal time and a national record of 2:07.91.

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Natsumi Sakai is a Japanese swimmer. She competed in the women's 100 metre backstroke event at the 2016 Summer Olympics. She qualified to represent Japan at the 2020 Summer Olympics.

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Rio Shirai is a Japanese swimmer. She competed in the women's 4 × 100 metre freestyle relay event at the 2018 Asian Games, winning the gold medal.

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Yukari Takemoto is a retired Japanese swimmer. She had just turned 13 when she qualified for the 1968 Olympics, where she competed in the 100 m and 200 m breaststroke. At her next Olympics in 1972 she took part in the 4 × 100 m freestyle and 200 m and 400 m medley events, but was also eliminated in the preliminaries.

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Miki Uchida is a Japanese swimmer. At the 2012 Summer Olympics, she competed for the national team in the Women's 4 × 100 metre freestyle relay, finishing in 7th place in the final.

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Kanako Watanabe is a Japanese competitive swimmer who specializes in the breaststroke. She competed in the 2012 London Olympics at the age of 15 for the 200m Women's Breaststroke event. She again competed in the 2016 Summer Olympics in Rio De Janeiro.

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Mayuka Yamamoto is a Japanese swimmer. She competed in the women's 4 × 100 metre freestyle relay event at the 2018 Asian Games, winning the gold medal.