Japan 
Japanese swimmerBirthdays by Profession
- Association football player (11)
- Actor (7)
- Composer (5)
- Athletics competitor (3)
- Politician (3)
- Comedian (3)
- Mangaka (3)
- Screenwriter (2)
- Swimmer (2)
- Judoka (2)
- Volleyball player (2)
- Musician (2)
- Military personnel (2)
- Tarento (2)
- Shogi player (2)
- Diplomat (2)
- Television actor (2)
- Political scientist (2)
- Business executive (2)
- Film actor (2)
Birthdays by Region
- Tokyo (13)
- Ōsaka Prefecture (7)
- Kanagawa Prefecture (7)
- Fukuoka Prefecture (4)
- Hokkaidō Prefecture (2)
- Kumamoto Prefecture (2)
- Aichi Prefecture (2)
- Shikoku (1)
- Hyōgo Prefecture (1)
- Kyōto Prefecture (1)
- Yamanashi Prefecture (1)
- Nagano Prefecture (1)
- Yamaguchi Prefecture (1)
- Kantō region (1)
- Akita Prefecture (1)
- Gunma Prefecture (1)
- Miyagi Prefecture (1)
- Nagasaki Prefecture (1)
- Hiroshima Prefecture (1)
- Okayama Prefecture (1)
Birthdays by Place
- Tokyo (5)
- Kanagawa Prefecture (4)
- Ōsaka (3)
- Kumamoto Prefecture (2)
- Yokohama (2)
- Sapporo (1)
- Chikusa-ku (1)
- Toyonaka (1)
- Hyōgo Prefecture (1)
- Nagasaki Prefecture (1)
- Nichinan (1)
- Kōtō-ku (1)
- Fukuoka Prefecture (1)
- Machida (1)
- Kyoto (1)
- Minō (1)
- Tokyo (1)
- Hiba District, Hiroshima (1)
- Nagano (1)
- Yamanashi Prefecture (1)
