Hamaguchi
Hamaguchi is a family name for the following people:
- Kyōko Hamaguchi (* 1978), Japanese wrestler
- Hamaguchi Osachi (1870–1931), 27th Prime Minister of Japan
- Paul Sueo Hamaguchi (* 1948), Japanese clergyman and Roman Catholic bishop
- Sōta Hamaguchi (* 1999), Japanese football player
- Hamaguchi Yōzō (1909-2000), Japanese painter
