Robert O'Reilly (disambiguation) explained

Robert O'Reilly (born 1950) is an American film, television, and stage actor.

Robert O'Reilly may refer to:

• Robert Maitland O'Reilly (1845–1912), Surgeon General of the United States Army, 1902–1909
• Bob O'Reilly (born 1949), Australian rugby league footballer

See also

• Robert Reilly (disambiguation)