Seán Hartney (1902 – 11 May 1974) was an Irish Fianna Fáil politician. He was a member of Seanad Éireann from 1951 to 1957. He was elected to the 7th Seanad in 1951 by the Industrial and Commercial Panel. He was re-elected at the 1954 Seanad election but lost his seat at the 1957 Seanad election. He had previously stood unsuccessfully for Dáil Éireann as a Fianna Fáil candidate for the Limerick constituency at the 1943 general election.