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 medalistGenshiro Kawamoto, Japanese billionaireKihachirō Kawamoto (1925–2010), Japanese animatorKohei Kawamoto (born 1979), Japanese butterfly swimmerKunihiro Kawamoto (born 1975), Japanese voice actorMakoto Kawamoto (born 1974), Japanese singer-songwriterNaru Kawamoto (born 1974), Japanese voice actorNiwa Kawamoto (1863–1976), Japanese supercentenarianNobuhiko Kawamoto (born 1936), former CEO of Honda MotorTaizo Kawamoto (1914–1985), Japanese football player and managerToshihiro Kawamoto (born 1963), Japanese animator