Patrick O'Reilly (6 April 1906 – 19 February 1994) was an Irish politician. A farmer by profession, he was elected to Dáil Éireann at the 1943 general election as a Clann na Talmhan Teachta Dála (TD) for the Cavan constituency and was re-elected at the 1944 general election. He did not contest the 1948 general election.