Patrick Ryan O'Neal (born April 20, 1941) is an American actor.
Born in Los Angeles, California, O'Neal became a star on the soap opera Peyton Place. His role in Love Story gained him an Academy Award nomination for Best Actor. Further starring roles have been in Paper Moon (co-starring his daughter Tatum O'Neal), Barry Lyndon, and the Love Story sequel, Oliver's Story. He has also appeared in several television performances.