Michael J. Davern (22 July 1900 – 25 July 1973) was an Irish Fianna Fáil politician who served as Teachta Dála (TD) for the Tipperary South constituency from 1948 to 1965.
He was first elected to Dáil Éireann at the 1948 general election. He was re-elected at the 1951, 1954, 1957 and 1961 general elections.
Davern did not contest the 1965 general election and was succeeded by his son Don Davern. After Don's death in 1968, another son Noel Davern was elected for Tipperary South at the 1969 general election.