Fourth Hughes Ministry

The Fourth Hughes Ministry was the fifteenth Australian Commonwealth ministry, and ran from 5 May 1917 to 3 February 1920.

Nationalist Party of Australia

• Rt Hon Billy Hughes, KC MP: Prime Minister, Attorney-General
• Rt Hon Joseph Cook, MP: Minister for the Navy
• Rt Hon Sir John Forrest, GCMG MP: Treasurer (to 27 March 1918)
• Senator Hon George Pearce: Minister for Defence
• Hon William Watt, MP: Minister for Works and Railways (to 27 March 1918), Treasurer (from 27 March 1918), Minister for Trade and Customs (13 December 1918 to 17 January 1919)
• Hon Paddy Glynn, KC MP: Minister for Home and Territories
• Hon Jens Jensen, MP: Minister for Trade and Customs (to 13 December 1918)
• Hon William Webster, MP: Postmaster-General
• Senator Hon Edward Millen: Vice-President of the Executive Council (to 16 November 1917), Minister for Repatriation (from 28 September 1917)
• Hon Littleton Groom, MP: Honorary Minister (to 16 November 1917), Vice-President of the Executive Council (16 November 1917 to 27 March 1918), Minister for Works and Railways (from 27 March 1918)
• Senator Hon Edward Russell: Honorary Minister (to 17 January 1919), Vice-President of the Executive Council (from 27 March 1918)
• Hon Walter Massy-Greene, MP: Honorary Minister (27 March 1918 to 17 January 1919), Minister for Trade and Customs (from 17 January 1919)
• Hon Alexander Poynton, MP: Honorary Minister (from 27 March 1918)
• Hon George Wise, MP: Honorary Minister (from 27 March 1918)
• Hon Richard Orchard, MP: Honorary Minister (27 March 1918 to 31 January 1919)