Johanns is a surname and masculine given name of German origin, a patronymic from the personal name Johann, which is the German-language equivalent of John, meaning 'Yahweh is gracious'. Notable people with the name include:

Surname Josef Johanns (born 1944), Luxembourgish racing cyclist Mike Johanns (born 1950), American attorney and politician Pierre Johanns (1882–1955), Luxembourgish Jesuit priest, missionary, and Indologist Stephanie Johanns, American politician and businessperson

Given name Johanns Dulcien (born 1991), Chilean former footballer