WWE WrestleMania 21
- År: 2005
- Land: United States of America
- Genre: Drama, Action
- Studio: World Wrestling Entertainment (WWE)
- Nyckelord: wrestling
- Direktör: Kevin Dunn
- Kasta: John Cena, Paul Lévesque, John Layfield, Patricia Stratigeas, Christy Hemme, Dave Bautista