Rooney is the given name or common first name of the following people:
- Rooney Lee (1837–1891), American planter, military general and politician
- Rooney Mara (born 1985), American actress
- Rooney Massara, (born 1943) British rower and businessman
- Rooney Roon, former member of the hip hop group Ultramagnetic MCs
- Rooney Sweeney (1858 – after 1885), American baseball player