John O'Leary (3 May 1933 – 5 October 2015) was an Irish Fianna Fáil politician who served as Minister of State at the Department of the Environment from 1978 to 1979.
He joined the staff of Kerry County Council in 1952 and worked in Housing, Accounts and Health sections over the next 10 years.
When the new Planning department of the Council was launched O'Leary was put in charge of this until his resignation and election to Dáil Éireann in 1966.
[2] He was re-elected at the 1969 general election and was subsequently appointed to the Dáil Select Committee on Procedures and Privileges from 1969 to 1973.
He was appointed to membership of the Council of Europe from 1973 to 1975 on the nomination of the Fianna Fáil Leader Jack Lynch and from 1975 to 1977 he served as Opposition Spokesperson on Physical Planning and the Environment.
He was elected as a member of Kerry County Council in 1974, gaining the 3rd seat for Fianna Fáil in the Killarney area.
He stood again for the Kerry County Council elections in 1985 and won a fourth seat for the party in the Killarney local electoral area.