The Japanese women's national ice hockey team (Japanese: アイスホッケー女子日本代表, Hepburn: Aisuhokkē Joshi Nippon Daihyō) represents Japan at the International Ice Hockey Federation's Women's World Championships, the Winter Olympics, and at other international ice hockey tournaments. The women's national team is governed by the Japan Ice Hockey Federation. Japan had 2,587 registered female players in 2017 and 1,439 as of 2020.

The nickname of Japan women's team is "Smile Japan" (Japanese: スマイルジャパン, Hepburn: Sumairu Japan).