Kawamoto (川本) (also written 河本 and 川元) is a Japanese surname. Notable people with the surname include:
Evelyn Kawamoto (1933–2017), an American swimmer and two-time Olympic medalist
Genshiro Kawamoto, Japanese billionaire
Kihachirō Kawamoto (1925–2010), Japanese animator
Kohei Kawamoto (born 1979), Japanese butterfly swimmer
Kunihiro Kawamoto (born 1975), Japanese voice actor
Makoto Kawamoto (born 1974), Japanese singer-songwriter
Naru Kawamoto (born 1974), Japanese voice actor
Niwa Kawamoto (1863–1976), Japanese supercentenarian
Nobuhiko Kawamoto (born 1936), former CEO of Honda Motor
Taizo Kawamoto (1914–1985), Japanese football player and manager
Toshihiro Kawamoto (born 1963), Japanese animator
