Mabuchi (written: 馬渕 or 馬淵) is a Japanese surname. Notable people with the surname include:
, Japanese aviator , Japanese politician , Japanese actress Hideo Mabuchi (born 1971), American physicist , Japanese Olympic diver Kaoru Mabuchi, pen name of the Japanese screenwriter Takeshi Kimura (1912–1988) Brothers Kenichi and Takaichi Mabuchi, founders of Mabuchi Motor company , Japanese Olympic diver, husband of Kanoko , Japanese softball player Toshiki Mabuchi (born 1950), Japanese mathematician , Japanese politician , Japanese Olympic diver, daughter of Kanoko and Ryo
See also , Japanese poet and philologist Mabuchi Motor, a Japanese manufacturing company