Japan 
Olympic swimmer
Birthdays by Profession
- Association football player (12)
- Seiyū (6)
- Actor (5)
- Baseball player (4)
- Fashion model (3)
- Volleyball player (3)
- Swimmer (3)
- Child actor (3)
- Badminton player (2)
- Beach volleyball player (2)
- Rikishi (2)
- Athlete (2)
- Composer (1)
- Sprinter (1)
- Go player (1)
- Model (1)
- Athletics competitor (1)
- Mixed martial artist (1)
- Japanese idol (1)
- Singer (1)
Birthdays by Region
- Tokyo (11)
- Ōsaka Prefecture (3)
- Nara Prefecture (3)
- Kanagawa Prefecture (3)
- Hokkaidō Prefecture (3)
- Chiba Prefecture (2)
- Shizuoka Prefecture (2)
- Ehime Prefecture (2)
- Fukuoka Prefecture (2)
- Aomori Prefecture (2)
- Yamanashi Prefecture (1)
- Gunma Prefecture (1)
- Mie Prefecture (1)
- Aichi Prefecture (1)
- Niigata Prefecture (1)
- Yamaguchi Prefecture (1)
- Hyōgo Prefecture (1)
- Kyōto Prefecture (1)
- Miyagi Prefecture (1)
- Shiga Prefecture (1)
