See also: Lyons government.
| Cabinet Name: | Fourth Lyons ministry |
| Cabinet Type: | Ministry |
| Cabinet Number: | 23rd |
| Jurisdiction: | Australia |
| Flag: | Flag of Australia.svg |
| Flag Border: | true |
| Date Formed: | 29 November 1937 |
| Date Dissolved: | 7 April 1939 |
| Government Head: | Joseph Lyons |
| Governor General: | Lord Gowrie |
| Members Number: | 17 |
| Political Party: | United Australia–Country coalition |
| Legislature Status: | Majority government |
| Opposition Party: | Labor |
| Opposition Leader: | John Curtin |
| Election: | 23 October 1937 |
| Legislature Term: | 15th |
| Predecessor: | Third Lyons ministry |
| Successor: | Page ministry |
| State Head Title: | Monarch |
| Government Head Title: | Prime Minister |
The Fourth Lyons ministry (United Australia–Country Coalition) was the 23rd ministry of the Government of Australia. It was led by the country's 10th Prime Minister, Joseph Lyons. The Fourth Lyons ministry succeeded the Third Lyons ministry, which dissolved on 29 November 1937 following the federal election that took place in October. The ministry was replaced by the Page ministry on 7 April 1939 following the death of Lyons - the first of three occasions where a sitting Prime Minister died in office.[1]
John McEwen, who died in 1980, was the last surviving member of the Fourth Lyons ministry; McEwen was also the last surviving member of the Page ministry. Robert Menzies was the last surviving UAP minister.