Japan 
Japanese Olympic swimmerBirthdays by Profession
- Association football player (20)
- Actor (6)
- Baseball player (3)
- Illustrator (3)
- Seiyū (3)
- Mangaka (3)
- Politician (3)
- Alpine skier (3)
- Professor (2)
- Athletics competitor (2)
- Historian (2)
- Basketball player (2)
- Racing driver (2)
- Film director (2)
- Model (2)
- Racing automobile driver (2)
- Swimmer (2)
- Association football manager (2)
- Writer (2)
- Poet (2)
Birthdays by Region
- Tokyo (10)
- Hokkaidō Prefecture (5)
- Ōsaka Prefecture (4)
- Kanagawa Prefecture (4)
- Aichi Prefecture (4)
- Chiba Prefecture (3)
- Ehime Prefecture (3)
- Hyōgo Prefecture (3)
- Shizuoka Prefecture (3)
- Kyōto Prefecture (3)
- Gifu Prefecture (2)
- Nagasaki Prefecture (2)
- Miyagi Prefecture (2)
- Fukuoka Prefecture (2)
- Nagano Prefecture (1)
- Ibaraki Prefecture (1)
- Gunma Prefecture (1)
- Yamanashi Prefecture (1)
- Yamagata Prefecture (1)
- Niigata Prefecture (1)
