| Image | Colonial Secretary | Period in office |
 | Henry Joseph Steele Bradfield | 1842 (acting?) |
| | Sir James Walker, K.C.M.G., C.B. | 1842–1860 |
| | James Richard Holligan | 1862–1867 |
| | Augustus F. Gore, C.M.G | 1867–1877 |
 | Rt. Hon. Sir Walter Francis Hely-Hutchinson, G.C.M.G. | 1877–1883 |
| | Sir Sir Clement Courtenay Knollys, K.C.M.G. | 1883–1894 |
 | Sir George Ruthven Le Hunte, K.C.M.G. | 1894–1897 |
 | Sir Ralph Champneys Williams, K.C.M.G. | 1897–1901 |
| | Sir Francis James Newton K.C.M.G., C.V.O. | 1901–1902 |
| | Sir Samuel William Knaggs, K.C.M.G. | 1903–1907 |
 | Lord Ian Basil Gawaine Temple Hamilton-Temple-Blackwood | 1907–1910 |
| | Major Sir John Alder Burdon, K.B.E., C.M.G. | 1910–1915 |
| | Thomas Edward Fell, C.M.G. | 1916–1919 |
| | Lieutenant-Colonel Francis Jenkins, C.M.G. | 1919–1921 |
| | Sir Wilfrid Edward Francis Jackson, G.C.M.G. | 1921–1926 |
| | Douglas Roy Stewart, C.M.G. | 1926–1931 |
| | George Douglas Owen, C.M.G. | 1931–1938 |
| | Major William Henry Flinn, C.M.G., O.B.E. | 1938–1942 |
| | Sir Robert Christopher Stafford Stanley, K.B.E., C.M.G. | 1942–1945 |
| | Sir John Dalzell Rankine, K.C.M.G., K.C.V.O. | 1945–1947 |
 | Stewart Henry Perowne, O.B.E. | 1947–1951 |
| | Robert Noel Turner, C.M.G. Esq [1] | 1950–1956 |
| | Jack Jesson Adie, C.M.G. | 1957 |
| | Guy Trayton Barton, C.M.G., O.B.E.[2] | 1958–1961 |
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