Nishizawa is a Japanese surname. Notable people with the surname include:
Akinori Nishizawa, Japanese footballer
Hiroyoshi Nishizawa, Japanese World War II flying ace
Jun-ichi Nishizawa, Japanese engineer
Junji Nishizawa, Japanese footballer
Luis Nishizawa, Mexican artist
Michio Nishizawa, Japanese baseball player
Ryue Nishizawa, Japanese architect
Yoshiko Nishizawa, a fictional character from the anime/manga series Strike Witches
Yoshiya Nishizawa, Japanese footballer