Patrick Kennedy (born 26 August 1977) is an English actor in over 16 films and television shows. He recently booked a lead series regular role on HBO's new series The Money opposite Brendan Gleeson and Nathan Lane. Kennedy recurred on Boardwalk Empire and was nominated for a Screen Actors Guild Award. He shot War Horse with Steven Spielberg and booked a leading role in the HBO mini-series Parade's End.

Kennedy also appeared opposite Keira Knightley in the Oscar-winning film Atonement and is dual US and UK citizen. He appeared in The Last Station alongside James McAvoy and Paul Giamatti as well as Me and Orson Welles alongside Claire Danes. On the TV side, he was a series regular opposite Carey Mulligan in the BBC's Bleak House as Richard Carstone.

He has also appeared in Cambridge Spies and had minor roles in Spooks, Mrs. Henderson Presents, A Good Year and Munich.