John Rooney
John Rooney may refer to:
- John Rooney (baseball), American baseball player
- John Rooney (sportscaster), American sports announcer
- John Rooney (footballer), English footballer
- John Rooney (squash player), Irish squash player
- John Rooney (Irish politician), Irish Farmers's Party TD for Dublin County, 1922–1923
- John Rooney (murderer), convicted American murderer and last person executed by North Dakota
- John E. Rooney (politician), American politician from New Jersey
- John E. Rooney (businessman), U.S. Cellular CEO
- John J. Rooney (politician), American Democratic Party politician from New York
- John J. Rooney (judge), American judge in Wyoming
- John Rooney (bishop), Irish-born Roman Catholic bishop in South Africa
- JP Rooney, Gaelic footballer