The penis is the male sex organ.

Penis or PENIS may also refer to:

Human penis Proton-enhanced nuclear induction spectroscopy Penis Park (Haesindang Park), on the east coast of South Korea "Penis Song (Not the Noël Coward Song)", a song by Monty Python from Monty Python's The Meaning of Life

Biology Penis fish (disambiguation) Urechis caupo, a species of spoon worm in North America Urechis unicinctus, a species of spoon worm in East Asia Penis plant, several plants Penis snake (Atretochoana) Penis worm (Priapulida)

See also Penes (disambiguation) Penith (The Dave Soundtrack), a soundtrack album by Lil Dicky