Michael Leo Hilliard (11 March 1903 – 3 August 1982) was an Irish revolutionary and later Fianna Fáil politician.

In February 1921, Hilliard claims to have taken part in the execution of a suspected spy named “Chandeler” (sic) in Navan who was masquerading as a Michael O’Brien from Silvermines trying to join the IRA.

[4] Hilliard was released in July 1924 and remained active in the IRA until about 1932, when he left to join Fianna Fáil.

During his tenure as Minister for Posts and Telegraphs Hilliard oversaw the introduction of a television service in Ireland, RTÉ.

While a TD in 1973, Hilliard was appointed a Member of the European Parliament as part of Ireland's short-lived first delegation.