The Third Fraser Ministry was the fifty-third Australian Commonwealth ministry, and ran from 20 December 1977 to 3 November 1980.

Liberal Party of Australia–National Country Party Coalition

Cabinet

• Rt Hon Malcolm Fraser, MP: Prime Minister
• Rt Hon Doug Anthony, MP: Deputy Prime Minister, Minister for Trade and Resources (NCP)
• Rt Hon Phillip Lynch , MP: Minister for Industry and Commerce
• Rt Hon Ian Sinclair, MP: Minister for Primary Industry (NCP) (to 27 September 1979). Minister for Special Trade Representations (from 19 August 1980)
• Senator Rt Hon Reginald Withers : Minister for Administrative Services, Vice-President of the Executive Council (to 7 August 1978)
• Hon Tony Street , MP: Minister for Employment and Industrial Relations (to 5 December 1978). Minister for Industrial Relations (from 5 December 1978).
• Hon Peter Nixon , MP: Minister for Transport (to 8 December 1979). Minister for Primary Industry (from 27 September 1979) (NCP)
• Hon John Howard, MP: Treasurer. Minister for Finance (23 February 1979 to 27 February 1979)
• Senator Hon John Carrick : Minister for Education (to 8 December 1979). Vice-President of the Executive Council (from 7 August 1978). Minister for National Development and Energy (from 8 December 1979). Minister assisting the Prime Minister for Federal Affairs (to 25 August 1978)
• Hon Andrew Peacock, MP: Minister for Foreign Affairs
• Hon James Killen, MP: Minister for Defence
• Senator Hon Margaret Guilfoyle : Minister for Social Security.
• Hon Eric Robinson , MP: Minister for Finance (to 23 February 1979). Minister for Finance (from 27 February 1979)
• Senator Hon Peter Durack , QC MP: Attorney-General. Minister for Administrative Services (7 August 1978 to 25 August 1978) (in Cabinet from 25 August 1978)
• Hon Ralph Hunt , MP: Minister for Health (to 8 December 1979). Minister for Transport (from 8 December 1979) (in Cabinet from 8 December 1979) (NCP)

--Outer ministry==

• Hon Robert Ellicott , MP: Minister for Home Affairs, Minister for the Capital Territory
• Hon Victor Garland , MP: Minister for Veterans' Affairs (to 4 July 1978). Minister for Special Trade Representations, Minister assisting the Minister for Trade and Resources (to 8 December 1979). Minister for Business and Consumer Affairs, Minister assisting the Minister for Industry and Commerce (from 8 December 1979)
• Hon Michael MacKellar , MP: Minister for Immigration and Ethnic Affairs (to 8 December 1979). Minister for Health, Minister assisting the Prime Minister (from 8 December 1979)
• Hon Ian Viner , MP: Minister for Aboriginal Affairs (to 5 December 1978). Minister assisting the Prime Minister (to 8 December 1979). Minister assisting the Treasurer (25 August 1978 to 8 December 1979). Minister for Employment and Youth Affairs (from 5 December 1978)
• Hon Evan Adermann , MP: Minister assisting the Minister for Primary Industry. Minister for the Northern Territory (to 28 September 1978). Minister for Veterans' Affairs (from 4 July 1978) (NCP)
• Hon John McLeay , MP: Minister assisting the Minister for Defence. Minister for Construction (to 5 December 1978). Minister for Administrative Services (from 5 December 1978)
• Hon Kevin Newman , MP: Minister for National Development (to 8 December 1979). Minister assisting the Prime Minister for Federal Affairs (from 25 August 1978). Minister for Productivity (from 8 December 1979)
• Senator Hon James Webster : Minister for Science (to 5 December 1978). Minister for Science and the Environment (5 December 1978 to 8 December 1979) (NCP)
• Hon Tony Staley , MP: Minister for Post and Telecommunications
• Senator Hon Peter Durack , QC MP: Attorney-General (see Cabinet)
• Hon Ian Macphee , MP: Minister for Productivity (to 8 December 1979). Minister assisting the Minister for Industry and Commerce (5 December 1978 to 8 December 1979). Minister for Immigration and Ethnic Affairs, Minister assisting the Treasurer (from 8 December 1979)
• Hon Wallace Fife , MP: Minister for Business and Consumer Affairs (to 8 December 1979). Minister for Education (from 8 December 1979)
• Hon Raymond Groom , MP: Minister for Environment, Housing and Community Development, Minister assisting the Minister for Employment and Industrial Relations (to 5 December 1978). Minister for Housing and Construction (from 5 December 1978)
• Senator Hon Fred Chaney : Minister for Administrative Services, Minister assisting the Minister for Education (25 August 1978 to 5 December 1978). Minister for Aboriginal Affairs (from 5 December 1978). Minister assisting the Minister for National Development and Energy (from 8 December 1979)
• Senator Hon Douglas Scott : Minister for Special Trade Representations, Minister assisting the Minister for Trade and Resources (8 December 1979 to 19 August 1980)
• Hon David Thomson , MP: Minister for Science and the Environment (from 8 December 1979)