| Period of office |
| CHANTER, John Moore | 5.6.1901 to 10.10.1902;† 4.6.1903 to 22.10.1903 |
| SALMON, Hon. Charles Carty | 17.3.1904 to 15.12.1904;† 2.8.1905 to 21.12.1905 |
| McDONALD, Hon. Charles | 20.6.1906 to 12.10.1906;† 10.7.1907 to 19.2.1910 |
| POYNTON, Hon. Alexander | 1.7.1910 to 23.4.1913 |
| FOWLER, Hon. James Mackinnon | 9.7.1913 to 30.7.1914 |
| CHANTER, Hon. John Moore | 9.10.1914 to 26.3.1917; 14.6.1917 to 3.11.1919; 27.2.1920 to 6.11.1922 |
| BAMFORD, Hon. Frederick William | 28.2.1923 to 3.10.1925 |
| BAYLEY, James Garfield | 14.1.1926 to 9.10.1928; 7.2.1929 to 16.9.1929 |
| McGRATH, David Charles | 20.11.1929 to 27.11.1931 |
| BELL, George John, CMG, DSO, VD | 17.2.1932 to 7.8.1934 |
| PROWSE, John Henry | 23.10.1934 to 21.9.1937; 30.11.1937 to 27.8.1940; 21.11.1940 to 21.6.1943 |
| RIORDAN, William James Frederick | 22.6.1943 to 7.7.1943; 24.9.1943 to 16.8.1946 |
| CLARK, Joseph James | 7.11.1946 to 31.10.1949 |
| ADERMANN, Charles Frederick | 22.2.1950 to 19.3.1951; 20.6.1951 to 21.4.1954; 4.8.1954 to 4.11.1955; 15.2.1956 to 14.10.1958 |
| BOWDEN, George James, MC | 17.2.1959 to 7.3.1961 |
| LUCOCK, Philip Ernest, CBE | 8.3.1961 to 2.11.1961; 20.2.1962 to 1.11.1963; 25.2.1964 to 31.10.1966; 21.2.1967 to 29.9.1969; 25.11.1969 to 2.11.1972 |
| SCHOLES, Gordon Glen Denton | 28.2.1973 to 11.4.1974; 9.7.1974 to 27.2.1975 |
| BERINSON, Joseph Max | 27.2.1975 to 14.7.1975 |
| JENKINS, Henry Alfred | 19.8.1975 to 11.11.1975 |
| LUCOCK, Philip Ernest, CBE | 17.2.1976 to 10.11.1977 |
| MILLAR, Percival Clarence | 21.2.1978 to 19.9.1980; 25.11.1980 to 4.2.1983 |
| JOHNSON, Hon. Leslie Royston | 21.4.1983 to 19.12.1983 |
| CHILD, Joan | 28.2.1984 to 11.10.1984; 21.2.1985 to 11.2.1986 |
| McLEAY, Leo Boyce | 11.2.1986 to 4.6.1987; 14.9.1987 to 29.8.1989 |
| EDWARDS, Ronald Frederick | 29.8.1989 to 19.2.1990; 8.5.1990 to 8.2.1993 |
| JENKINS, Harry Alfred | 4.5.1993 to 29.1.1996 |
| ROCHER, Allan Charles (Second Deputy) | 3.3.1994 to 29.1.1996 |
| NEHL, Garry Barr | 30.4.1996 to 31.8.1998; 10.11.1998 to 8.10.2001 |
| JENKINS, Harry Alfred (Second Deputy) | 30.4.1996 to 31.8.1998; 10.11.1998 to 8.10.2001; 12.2.2002 to 31.8.2004; 16.11.2004 to 17.10.2007 |
| CAUSLEY, Hon. Ian Raymond | 12.2.2002 to 31.8.2004; 16.11.2004 to 17.10.2007 |
| BURKE, Anna Elizabeth | 12.2.2008 to 19.7.2010 |
| SCOTT, Hon. Bruce Craig (Second Deputy) | 12.2.2008 to 19.7.2010; 28.9.2010– |
| SLIPPER, Hon. Peter Neil | 28.9.2010 to 24.11.2011 |
| BURKE, Anna Elizabeth | 24.11.2011 |