Yonezawa (written: or ) is a Japanese surname. Notable people with the surname include:
Akinori Yonezawa (born 1947), Japanese computer scientist , Japanese footballer Honobu Yonezawa (born 1978), Japanese writer , Japanese voice actress and singer Takeshi Yonezawa (born 1969), Japanese footballer , Japanese tennis player Yoshihiro Yonezawa (1953–2006), Japanese manga author