Martin Heydon (born 9 August 1978) is an Irish Fine Gael politician who has served as Minister for Agriculture, Food, Fisheries and the Marine since January 2025.

He previously served as Minister of State at the Department of Agriculture, Food and the Marine from 2020 to 2025 and the Chair of the Fine Gael parliamentary party from 2016 to 2020.

[6] Newbridge Fine Gael Councillor Fiona McLoughlin Healy was added to the ticket for the 2016 general election as his running mate.

[8] On 8 June 2016, Heydon was elected Chair of the Fine Gael parliamentary party, succeeding retired Limerick TD Dan Neville.

On 23 January 2025, Heydon was appointed as Minister for Agriculture, Food, Fisheries and the Marine in the government led by Micheál Martin, following the 2024 general election.