The Barton Ministry was the first Australian Commonwealth ministry, and ran from 1st January 1901 to 24th September 1903.
Protectionist Party
1 January 1901 to 24 September 1903
- Rt Hon Edmund Barton, KC MP: Prime Minister and Minister for External Affairs
- Hon Alfred Deakin, MP: Attorney-General
- Hon Sir William Lyne, KCMG MP: Minister for Home Affairs (to 11 August 1903), Minister for Trade and Customs (from 11 August 1903)
- Rt Hon Sir George Turner, KCMG MP: Treasurer
- Rt Hon Charles Kingston, MP: Minister for Trade and Customs (to 24 July 1903)
- Hon Sir James Dickson (1), KCMG: Minister for Defence (to 10 January 1901)
- Rt Hon Sir John Forrest, GCMG MP: Postmaster-General (to 17 January 1901), Minister for Defence (17 January 1901 to 10 August 1903), Minister for Home Affairs (from 11 August 1903)
- Senator Hon Richard O'Connor, KC: Vice-President of the Executive Council
- Hon Elliott Lewis (2): Minister without portfolio (to 23 April 1901)
- Senator Hon James Drake: Postmaster-General (5 February 1901 to 10 August 1903), Minister for Defence (from 10 August 1903)
- Hon Sir Philip Fysh, KCMG MP: Minister without portfolio (26 April 1901 to 10 August 1903), Postmaster-General (from 10 August 1903)
1. Dickson was was Premier of Queensland 1898-99. He was intending to seek election to the Commonwealth Parliament but died on 10 January 1901.
2. Lewis was Premier of Tasmania 1899-1903, 1909, 1909-12. He did not seek election to the Commonwealth Parliament.
