This is a list of governors etc. of the part of the Samoa islands (now comprising American Samoa) under United States administration since 1900.
| Term | Incumbent | Notes |
| 17 February 1900 to 27 November 1901 | Benjamin Franklin Tilley, Commandant | 17 April 1900: Tutuila ceded to United States |
| 27 November 1901 to 16 December 1902 | Uriel Sebree, Commandant |
| 16 December 1902 to 5 May 1903 | Henry Minett, acting Commandant |
| 5 May 1903 to 30 January 1905 | Edmund Beardsley Underwood, Commandant | 16 July 1904: Manu'a ceded to United States |
| 30 January 1905 to 21 May 1908 | Charles Brainard Taylor Moore, Governor |
| 21 May 1908 to 10 November 1910 | John Frederick Parker, Governor |
| 10 November 1910 to 14 March 1913 | William Michael Crose, Governor | 17 July 1911: U.S. Naval Station Tutuila renamed American Samoa |
| 14 March 1913 to 14 July 1913 | Nathan Woodworth Post, acting Governor | 1st Term |
| 14 July 1913 to 2 October 1914 | Clark Daniel Stearns, Governor |
| 2 October 1914 to 6 December 1914 | Nathan Woodworth Post, acting Governor | 2nd Term |
| 6 December 1914 to 1 March 1915 | Charles Armijo Woodruff, acting Governor |
| 1 March 1915 to 10 June 1919 | John Martin Poyer, Governor |
| 10 June 1919 to 3 November 1920 | Warren Jay Terhune, Governor |
| 11 November 1920 to 1 March 1922 | Waldo A. Evans, Governor |
| 1 March 1922 to 4 September 1923 | Edwin Taylor Pollock, Governor |
| 4 September 1923 to 17 March 1925 | Edward Stanley Kellogg, Governor |
| 17 March 1925 to 9 September 1927 | Henry Francis Bryan, Governor |
| 9 September 1927 to 2 August 1929 | Stephen Victor Graham, Governor | 20 February 1929: U.S. Congress recognition of the cession of Tutuila and Manu'a by their chiefs, with retrospective to 16 July 1904 |
| 2 August 1929 to 24 March 1931 | Gatewood Sanders Lincoln, Governor | 1st Term |
| 24 March 1931 to 22 April 1931 | James Sutherland Spore acting Governor |
| 22 April 1931 to 17 July 1931 | Arthur Tenney Emerson, acting Governor |
| 17 July 1931 to 12 May 1932 | Gatewood Sanders Lincoln, Governor | 2nd Term |
| 12 May 1932 to 10 April 1934 | George Bertram Landenberger, Governor |
| 10 April 1934 to 17 April 1934 | Thomas Calloway Latimore, acting Governor |
| 17 April 1934 to 15 January 1936 | Otto Carl Dowling, Governor |
| 15 January 1936 to 20 January 1936 | Thomas Benjamin Fitzpatrick, acting Governor |
| 20 January 1936 to 3 June 1938 | MacGillivray Milne, Governor |
| 26 June 1938 to 30 July 1940 | Edward William Hanson, Governor |
| 30 July 1940 to 8 August 1940 | Jesse Rink Wallace, acting Governor |
| 8 August 1940 to 5 June 1942 | Laurence Wild, Governor |
| 17 January 1942 to 25 April 1942 | Henry L. Larsen, Military Governor |
| 5 June 1942 to 8 February 1944 | John Gould Moyer, Governor |
| 8 February 1944 to 27 January 1945 | Allen Hobbs, Governor |
| 27 January 1945 to 3 September 1945 | Ralph Waldo Hungerford, Governor |
| 3 September 1945 to 10 September 1945 | Samuel Wakefield Canan, acting Governor |
| 10 September 1945 to 22 April 1947 | Harold Alexander Houser, Governor |
| 22 April 1947 to 15 June 1949 | Vernon Huber, Governor |
| 7 July 1949 to 23 February 1951 | Thomas Francis Darden, Jr., Governor |
| 23 February 1951 to 20 June 1952 | Phelps Phelps, Governor |
| 16 July 1952 to 23 November 1952 | John C. Elliott, Governor |
| 28 November 1952 to 4 March 1953 | James Arthur Ewing, Governor |
| 4 March 1953 to 5 August 1953 | Lawrence M. Judd, Governor |
| 1 October 1953 to 15 October 1956 | Richard Barrett Lowe, Governor |
| 15 October 1956 to 24 May 1961 | Peter Tali Coleman, Governor | 1st Term |
| 24 May 1961 to 31 July 1967 | Hyrum Rex Lee, Governor | 1st Term |
| 1 August 1967 to 31 July 1969 | Owen Stuart Aspinall, Governor |
| 1 August 1969 to 14 October 1974 | John Morse Haydon, Governor |
| 15 October 1974 to 6 February 1975 | Frank C. Mockler, acting Governor |
| 6 February 1975 to 30 September 1976 | Earl B. Ruth, Governor |
| 1 October 1976 to 27 May 1977 | Frank Barnett, Governor |
| 28 May 1977 to 3 January 1978 | Hyrum Rex Lee, Governor | 2nd Term |
| 3 January 1978 to 3 January 1985 | Peter Tali Coleman, Governor | 2nd and 3rd Terms; Republican |
| 3 January 1985 to 2 January 1989 | A.P. Lutali, Governor | 1st Term; Democrat |
| 2 January 1989 to 3 January 1993 | Peter Tali Coleman, Governor | 4th Term; Republican |
| 3 January 1993 to 3 January 1997 | A.P. Lutali, Governor | 2nd Term; Democrat |
| 3 January 1997 to 26 March 2003 | Tauese P. Sunia, Governor | Democrat |
| 26 March 2003 to 7 April 2003 | Togiola Tulafono, acting Governor | Democrat |
| 7 April 2003 to present | Togiola Tulafono, Governor | Democrat |