Hair High is a 2004 American adult animated horror romantic comedy film by American filmmaker Bill Plympton. The film is a spoof of late-1950s and early-1960s high school films.

Bill Plympton is an American animator, graphic designer, cartoonist, and filmmaker best known for his 1987 Academy Award–nominated animated short Your Face and his series of shorts featuring a dog character starting with 2004's Guard Dog.