Nitwit, a colloquial noun for a stupid person, may refer to:
an idiot Nittany Nation, formerly known "Nittwits", a student organization Dr. Nitwhite, a scientist in Between the Lions commonly called "Dr. Nitwit", much to his chagrin Sid Millward and His Nitwits, a British parody band between the 1930s and 1970s
See also Baggy Pants and the Nitwits