Japan 
Japanese Olympic swimmerBirthdays by Profession
- Association football player (16)
- Singer (7)
- Actor (6)
- Novelist (6)
- Politician (5)
- Writer (5)
- Businessperson (5)
- Baseball player (4)
- Seiyū (3)
- Rower (3)
- Screenwriter (3)
- Military personnel (3)
- Composer (2)
- University teacher (2)
- Music arranger (2)
- Swimmer (2)
- Lyricist (2)
- Shogi player (2)
- Japanese idol (2)
- Impresario (2)
Birthdays by Region
- Tokyo (12)
- Kanagawa Prefecture (6)
- Ōsaka Prefecture (5)
- Chiba Prefecture (4)
- Ibaraki Prefecture (3)
- Fukuoka Prefecture (3)
- Hyōgo Prefecture (3)
- Shizuoka Prefecture (3)
- Aichi Prefecture (2)
- Niigata Prefecture (2)
- Kantō region (2)
- Nagasaki Prefecture (2)
- Tochigi Prefecture (2)
- Kyōto Prefecture (2)
- Akita Prefecture (1)
- Okayama Prefecture (1)
- Yamanashi Prefecture (1)
- Mie Prefecture (1)
- Hokkaidō Prefecture (1)
- Wakayama Prefecture (1)
