Mark Deering (6 March 1900 – 26 April 1973) was an Irish Fine Gael politician.
A farmer, he first stood for election at the 1951 general election but was not successful.
He was first elected to Dáil Éireann as a Fine Gael Teachta Dála (TD) for the Wicklow constituency at the 1953 by-election caused by the death of Thomas Brennan of Fianna Fáil.
He was re-elected at the 1954 general election but lost his seat at the 1957 general election.
He was an unsuccessful candidate at the 1965 general election.