Japan 
Japanese Olympic swimmerBirthdays by Profession
- Actor (13)
- Seiyū (7)
- Film director (4)
- Writer (4)
- Swimmer (4)
- Politician (4)
- Novelist (3)
- Association football player (3)
- Poet (3)
- Businessperson (3)
- Singer (3)
- Athletics competitor (3)
- Judoka (3)
- Screenwriter (2)
- Journalist (2)
- Samurai (2)
- Composer (2)
- University teacher (2)
- Tennis player (2)
- Military personnel (2)
Birthdays by Region
- Tokyo (15)
- Hokkaidō Prefecture (6)
- Aichi Prefecture (4)
- Hyōgo Prefecture (4)
- Kantō region (3)
- Ōsaka Prefecture (3)
- Kyōto Prefecture (3)
- Aomori Prefecture (2)
- Ibaraki Prefecture (2)
- Kanagawa Prefecture (2)
- Nagano Prefecture (2)
- Fukuoka Prefecture (2)
- Wakayama Prefecture (2)
- Chiba Prefecture (2)
- Ishikawa Prefecture (2)
- Hiroshima Prefecture (1)
- Tokyo Prefecture (1)
- Kumamoto Prefecture (1)
- Shimane Prefecture (1)
- Ehime Prefecture (1)
Birthdays by Place
- Tokyo (9)
- Hokkaidō (2)
- Tokyo (2)
- Aomori (2)
- Nagoya (2)
- Ibaraki Prefecture (2)
- Kyoto (2)
- Hyōgo Prefecture (2)
- Miyazaki Prefecture (1)
- Funabashi (1)
- Kanazawa (1)
- Kyōto Prefecture (1)
- Matsuyama (1)
- Nomi (1)
- Ichinomiya (1)
- Setagaya-ku (1)
- Nishi District (1)
- Shimane Prefecture (1)
- Ōsaka (1)
- Chiba Prefecture (1)
