The First Holt Ministry (Liberal–Country Coalition) was the 41st ministry of the Government of Australia. It was led by the country's 17th Prime Minister, Harold Holt. The Second Holt ministry succeeded the Tenth Menzies ministry, which dissolved on 26 January 1966 following the retirement of former Prime Minister Sir Robert Menzies. The ministry was replaced by the Second Holt ministry on 14 December 1966 following the 1966 federal election.
As of 20 December 2020, Ian Sinclair is the last surviving member of the First Holt ministry; Sinclair is also the last surviving member of the Tenth Menzies ministry. James Forbes was the last surviving Liberal minister, and Allen Fairhall and Charles Barnes were the last surviving Liberal and Country Cabinet ministers respectively.