Mateo may refer to:
- Mateo (singer), American singer/songwriter
- Mateo Arias, an American teen actor.
- Mateo (film), a 1937 Argentine film.
- Mateo (given name), people with the given name Mateo.
- Feleti Mateo, Tongan rugby league player for the New Zealand Warriors.
- Henry Mateo, American baseball outfielder for the Washington Nationals.
- Julio Mateo, American baseball pitcher for the Seattle Mariners.
- Enrique David Mateo, Brazilian footballer.