Butch Cassidy was an American outlaw named Robert LeRoy Parker (1866–1908).
Butch Cassidy may also refer to:
Butch Cassidy (singer), stage name of Danny Elliott Means II (born 1973), American singer Butch Cassidy's Wild Bunch, an American outlaw gang Butch Cassidy (TV series), an American children's animated television series Butch Cassidy and the Sundance Kid, a 1969 American Western film Bruce Cassidy (born 1965), Canadian ice hockey coach and former player nicknamed "Butch" Buč Kesidi, Serbian indie rock band
See also Butch and Cassidy, characters in the Pokémon anime television series