Japan 
Japanese swimmerBirthdays by Profession
- Association football player (15)
- Actor (6)
- Baseball player (3)
- Writer (2)
- Poet (2)
- Swimmer (2)
- Singer (2)
- Professional wrestler (2)
- Composer (2)
- Seiyū (2)
- Japanese idol (1)
- Water polo player (1)
- Go player (1)
- Jockey (1)
- Politician (1)
- Businessperson (1)
- Architect (1)
- Soldier (1)
- Basketball player (1)
- Sports agent (1)
Birthdays by Region
- Tokyo (7)
- Shizuoka Prefecture (4)
- Aichi Prefecture (4)
- Kantō region (3)
- Hyōgo Prefecture (3)
- Ōsaka Prefecture (3)
- Kanagawa Prefecture (3)
- Kyōto Prefecture (3)
- Nagasaki Prefecture (2)
- Niigata Prefecture (2)
- Ibaraki Prefecture (2)
- Tochigi Prefecture (2)
- Miyagi Prefecture (2)
- Hokkaidō Prefecture (2)
- Yamanashi Prefecture (1)
- Aomori Prefecture (1)
- Yamaguchi Prefecture (1)
- Yamagata Prefecture (1)
- Hiroshima Prefecture (1)
- Shikoku (1)
Birthdays by Place
- Tokyo (6)
- Shizuoka (3)
- Kyōto Prefecture (3)
- Nagasaki (2)
- Saitama (2)
- Kanagawa Prefecture (2)
- Kōchi Prefecture (2)
- Hyōgo Prefecture (2)
- Aichi Prefecture (2)
- Nagoya (1)
- Yamagata (1)
- Aomori Prefecture (1)
- Machida (1)
- Takamatsu (1)
- Hitachi (1)
- Ojiya (1)
- Kōfu (1)
- Fukuoka Prefecture (1)
- Shibata (1)
- Yamaguchi (1)
