| Term |
Incumbent |
Title |
Notes |
|---|
| 1896 to 15 January 1897 | Oliver Masey Quintal | President of the Council of Elders | |
| 15 January 1897 | Self-government revoked |
| 15 January 1897 to 1899 | Oliver Masey Quintal | President of the Council of Elders | |
| 1899 to 1900 | John Buffett | |
| 1900 to 1903 | John Forrester Young | |
| 1903 to 1909 | Francis Mason Nobbs | President of the Executive Council | |
| 1909 to 1915 | Joseph Allen McCleave Buffett | |
| 1915 to 1 July 1916 | Charles Chase Ray Nobbs | 1st term |
| Norfolk Island Territory of The Commonwealth of Australia |
| 1916 | Charles Chase Ray Nobbs | President of the Executive Council | 1st term (contd.) |
| 1916 to 1919 | Matthew Frederick Howard Christian | |
| 1919 to 1920 | Albert Randall | 1st term |
| 1921 to 1922 | Enoch Cobbcroft Robinson | 1st term |
| 1922 to 1923 | Albert Randall | 2nd term |
| 1924 to 1928 | Eustace Buffett Christian | 1st term |
| 1928 to 1933 | Enoch Cobbcroft Robinson | 2nd term |
| 1933 to 19 May 1934 | Charles Chase Ray Nobbs | 2nd term |
| 1934 to 1934 | Eustace Buffett Christian | 2nd term |
| 1934 to 20 July 1935 | Francis Rawdon M. Crozier | |
| 1 August 1935 to 31 July 1936 | Charles Chase Ray Nobbs | President of the Advisory Council | |
| 1 August 1936 to 31 July 1937 | Enoch Cobbcroft Robinson | 1st term |
| 1 August 1937 to 31 July 1941 | William McLachlan | |
| 1 August 1941 to 31 July 1947 | George Hunn Nobbs Buffett | |
| 1 August 1947 to 31 July 1948 | Ray Herbert Hastings Nobbs | 1st term |
| 1 August 1948 to 31 July 1949 | David Campbell Dunsmere Buffett | |
| 1 August 1949 to 31 July 1950 | Ray Herbert Hastings Nobbs | 2nd term |
| 1 August 1950 to 31 July 1951 | Leonard Dixon Holloway | 1st term |
| 1 August 1951 to 5 June 1952 | Enoch Cobcroft Robinson | 2nd term |
| 1 August 1952 to 31 October 1952 | Leonard Dixon Holloway | 2nd term |
| 1 November 1952 to 31 July 1953 | Charles Marie Gustav Adams | |
| 1 August 1953 to 31 July 1956 | Ray Herbert Hastings Nobbs | 3rd term |
| 1 August 1956 to 15 June 1959 | Wilfrid Metcalfe Randall | |
| 15 June 1959 to 22 June 1960 | vacant |
| 22 June 1960 to 1967 | Frederick James Needham | President of the Island Council | |
| 1967 to 1974 | William M. Randall | |
| 1974 to 1976 | Richard Albert Bataille | |
| 1976 to 1978 | William Arthur Blucher | |
| 10 August 1978 | Restoration of self-government |
| 10 August 1979 to 21 May 1986 | David Buffett | Chief Minister | |
| 21 May 1986 to 22 May 1989 | John Terence Brown | President of the Legislative Assembly | |
| 22 May 1989 to 20 May 1992 | David Buffett | |
| 20 May 1992 to 4 May 1994 | John Terence Brown | Head of Government | |
| 4 May 1994 to 5 May 1997 | Mike King | |
| 5 May 1997 to 28 February 2000 | George Charles Smith | Chief Minister | |
| 28 February 2000 to 5 December 2001 | Ronald Coane Nobbs | |
| 5 December 2001 to 1 June 2006 | Geoff Gardner | |
| 2 June 2006 to 28 March 2007 | David Buffett | |
| 28 March 2007 to 24 March 2010 | Andre Nobbs | |
| 24 March 2010 to 20 March 2013 | David Buffett | |
| 20 March 2013 to 17 June 2015 | Lisle Snell | |
| 18 June 2015[1] | Self-government abolished; under Commonwealth and New South Wales laws[2] |
| 6 July 2016 to 4 February 2021[3] | Robin Adams | Mayor | |
| 4 February 2021 to November 2024[3] |
Mike Colreavy |
Interim administrator |
|
| November 2024 to present[4] |
Scott Mason |
Lead administrator |
|
|
Pending transition to Norfolk Island Assembly |
