The 1956 Queensland state election was held on 19 May 1956.

• On 28 November 1953, Horace Davies (Labor) was elected to succeed David Farrell (Labor), who had died on 17 August 1953, as the member for Maryborough.
• On 12 March 1955, Frank Forde (Labor) was elected to succeed Ernest Riordan (Labor), who had died on 9 December 1954, as the member for Flinders.

Sitting members at the time of the election are shown in bold text.

• 1956 Queensland state election
• Members of the Queensland Legislative Assembly, 1953–1956
• Members of the Queensland Legislative Assembly, 1956–1957
• List of political parties in Australia

• Hughes, Colin A. (1974). Voting for the Queensland legislative assembly, 1890-1964. Canberra: Dept. of Political Science, Research School of Social Sciences, Australian National University. ISBN 0-7081-0301-4.