Perro is the Spanish word for dog. It may also refer to:
El perro, a 2004 film
Perro (comics), a super villain in the Marvel Comics Universe
Perro Aguayo (born 1946), Mexican wrestler
Perro Aguayo Jr. (born 1979), Mexican wrestler
Planet Earth Rock and Roll Orchestra (album), an album by Paul Kantner
Planet Earth Rock and Roll Orchestra, a nickname for various artists recording in the early 1970s
Perro (spider), a genus of spiders
