Bossé can be:
A common name of African trees in the genus Guarea
A surname. Notable people named Bossé include: Anne-Élisabeth Bossé (born 1984), Canadian actress Georges Bossé, Canadian politician Joseph Guillaume Bossé, Canadian politician Joseph-Noël Bossé (1807–1881), Canadian politician Steve Bossé (born 1981), Canadian mixed martial artist