The First Collier Ministry was the 16th Ministry of the Government of Western Australia and was led by Labor Premier Philip Collier. It succeeded the First Mitchell Ministry on 16 April 1924, following the defeat of the Nationalist government at the 1924 election on 22 March.
The ministry was followed by the Second Mitchell Ministry on 23 April 1930 after the Labor Party lost government at the state election held on 26 March.