Patrick O'Sullivan (born 1985) is an American ice hockey player.
Patrick O'Sullivan may also refer to: Patrick O'Sullivan (author), Irish author and railway historian from Cahersiveen Patrick O'Sullivan (businessman) (born 1949), Irish businessman, chairman of Old Mutual Patrick O'Sullivan (lawyer) (1835–1887), British lawyer Patrick O'Sullivan (Queensland politician) (1818–1904), Legislative Assembly of Queensland member from Ipswich, 1860–1863 Patrick B. O'Sullivan (1887–1978), U.S. Representative from Connecticut
Patrick O'Sullivan, convicted of the murder of Patrick Henry Cronin in 1889 Patrick O'Sullivan, actor who portrayed Chris in The Cavanaughs web series
See also Pádraig O'Sullivan, Irish Fianna Fáil politician Pat O'Sullivan (born 1926), American golfer Pat Sullivan (disambiguation)