The Fourth Deakin Ministry was the eighth Australian Commonwealth ministry, and ran from 2 June 1909 to 29 April 1910.
Commonwealth Liberal Party
Hon Alfred Deakin, MP: Prime Minister (without portfolio)
Hon Joseph Cook, MP: Minister for Defence
Rt Hon Sir John Forrest, GCMG MP: Treasurer
Senator Hon Robert Best: Minister for Trade and Customs
Hon Littleton Groom, MP: Minister for External Affairs
Hon Paddy Glynn, MP: Attorney-General
Hon Sir John Quick, MP: Postmaster-General
Hon George Fuller, MP: Minister for Home Affairs
Senator Hon Edward Millen: Vice-President of the Executive Council
Hon Justin Foxton, MP: Minister without portfolio
