Langhoff is a surname of German and Danish origin. Notable people with the surname include:
Irv Langhoff , American football player Josh Langhoff, American musician Klaus Langhoff, German handball player Paul Langhoff, German racing cyclist Peter Langhoff, Danish footballer Rasmus Horn Langhoff, Danish politician Şermin Langhoff, German theater producer Stephanie Langhoff, American television and film producer Wolfgang Langhoff, German actor and director Matthes Langhoff, German handball player