Kotani
Kotani is a family name for the following people:
- Eric Kotani , pseudonym of Yoji Kondo (1933–2017), Japanese-American astrophysicist and writer
- Hiroki Kotani (* 1993), Japanese football player
- Kengo Kotani (* 1992), Japanese soccer player
- Kotani Masao (1906-1993), Japanese theoretical physicist
- Mitsuru Kotani (1945–1990), Japanese jazz musician, composer and arranger
- Shin'ichi Kotani (* 1946), Japanese mathematician
- Yūki Kotani (* 1991), Japanese football player
- Yukio Kotani (* 1931), Japanese literary scholar