Patrick Tierney (died 29 September 1990) was an Irish Labour Party politician. A labourer before entering politics, he was elected to the 8th Seanad on the Labour Panel in 1954. He was first elected to Dáil Éireann as a Labour Party Teachta Dála (TD) for the Tipperary North constituency at the 1957 general election. He was re-elected at the 1961 and 1965 general elections. He did not contest the 1969 general election.