Japan 
Japanese swimmerBirthdays by Profession
- Association football player (7)
- Actor (5)
- Singer (4)
- Seiyū (4)
- Composer (3)
- Baseball player (3)
- Politician (3)
- Swimmer (3)
- Ice hockey player (3)
- Military personnel (2)
- Artistic gymnast (2)
- Judge (2)
- Record producer (2)
- University teacher (2)
- Businessperson (2)
- Serial killer (2)
- Painter (2)
- Rikishi (2)
- Film critic (2)
- Professional wrestler (2)
Birthdays by Region
- Tokyo (10)
- Kyōto Prefecture (5)
- Ōsaka Prefecture (4)
- Kantō region (4)
- Hokkaidō Prefecture (3)
- Gunma Prefecture (2)
- Iwate Prefecture (2)
- Nara Prefecture (1)
- Nagasaki Prefecture (1)
- Shizuoka Prefecture (1)
- Yamaguchi Prefecture (1)
- Fukuoka Prefecture (1)
- Okayama Prefecture (1)
- Aomori Prefecture (1)
- Nagano Prefecture (1)
- Fukui Prefecture (1)
- Ehime Prefecture (1)
- Kanagawa Prefecture (1)
- Hyōgo Prefecture (1)
- Ibaraki Prefecture (1)
