Tenure | Portrait | Incumbent | Notes |
31 May 1910 to December 1925 | | Nicolaas Frederic de Waal | From 2 January 1911, Sir Frederic de Waal |
January 1926 to August 1929 | | Adriaan Paulus Johannes Fourie | |
September 1929 to September 1939 | | Johannes Hendrik Conradie | |
September 1939 to September 1942 | | François Allen Joubert | |
2 October 1942 to 31 December 1945 | | Gideon Brand van Zyl | Afterwards served as the Governor-General of South Africa, from 1946 to 1951 |
1 January 1946 to 1 July 1946 | | Philippus Arnoldus Myburgh | Previously served as the President of the Senate, from 1942 to 1945 |
23 July 1946 to 22 July 1951 | | :af:Johan Carinus|Johan Carinus | |
1 August 1951 to 27 March 1958 | | :af:Philippus Jacobus Olivier|Philippus Jacobus Olivier | |
12 May 1958 to 28 April 1960 | | Josias Hendrik Otto du Plessis | |
28 April 1960 to 31 May 1970 | | Johannes Nicholas Malan | Acting to 1 June 1960 |
1 June 1970 to May 1975 | | Andries Heydenrich Vosloo | |
June 1975 to June 1979 | | Lourens Albertus Petrus Anderson Munnik | |
June 1979 to July 1989 | | Eugene "Gene" van der Merwe Louw | Afterwards served as the Speaker of the House of Assembly, from 1991 to 1994 |
July 1989 to May 1994 | | Jacobus "Kobus" Meiring | |
Tenure | Portrait | Incumbent | Notes |
May 1910 to January 1918 | | Charles John Smythe | |
February 1918 to January 1928 | | George Thomas Plowman | |
February 1928 to January 1943 | | Herbert Gordon Watson | |
February 1943 to November 1944 | | George Heaton Nicholls | |
November 1944 to February 1948 | | Douglas Edgar Mitchell | |
February 1948 to May 1958 | | Denis Gem Shepstone | |
June 1958 to November 1961 | | Alfred Ernest Trollip | |
November 1961 to August 1970 | | Theodor Johannes Adolph Gerdener | |
August 1970 to June 1979 | | Wynand Wilhelm Benjamin Havemann | |
June 1979 to August 1979 | | Frank Martin | 1st time, acting |
August 1979 to September 1984 | | Jan Christoffel "Stoffel" Greyling Botha | |
September 1984 to November 1984 | | Frank Martin | 2nd time, acting |
November 1984 to April 1990 | | Radclyffe Cadman | Previously served as the Leader of the Opposition, in 1977 |
April 1990 to 7 May 1994 | | Cornelius Johannes van Rooyen Botha | |
Tenure | Portrait | Incumbent | Notes |
May 1910 to May 1915 | | Alfred Ernest William Ramsbottom | |
May 1915 to 2 March 1924 | | Cornelius Hermanus Wessels | From 4 March 1920, Sir Cornelius Hermanus Wessels |
11 March 1924 to March 1929 | | Esaias Reinier Grobler | |
March 1929 to 11 November 1936 | | Carl Theodorus Muller Wilcocks | |
November 1936 to December 1936 | | Johannes Buys | Acting |
December 1936 to December 1940 | | Johannes Frederik Janse van Rensburg | - |
December 1940 to December 1950 | | Stephanus Philippus Barnard | |
1 January 1951 to December 1959 | | Jacobus "Jim" Johannes Fouché | Afterwards served as the State President of South Africa, from 1968 to 1975 |
December 1959 to December 1969 | | Johannes Willem Jacobus Coetzee du Plessis | |
December 1969 to 13 December 1974 | | Gabriel François van Lingen Froneman | - |
14 December 1974 to 1979 | | Abraham Cornelis van Wyk | |
1979 to 1980 | | Cornelius "Nak" van der Merwe | |
November 1980 to August 1991 | | Louis Johannes Botha | |
August 1991 to 7 May 1994 | | Louis van der Watt | |
Tenure | Portrait | Incumbent | Notes |
31 May 1910 to 23 July 1917 | | Johann Friedrich Bernhard Rissik | |
24 July 1917 to 29 February 1924 | | Alfred George Robertson | |
1 March 1924 to 28 February 1929 | | Jan Hendrik Hofmeyr | |
1 March 1929 to 28 February 1934 | | Jacobus Stephanus Smit | |
1 March 1934 to 29 July 1938 | | Simon Potgieter Bekker | |
1 September 1938 to 31 August 1948 | | Jacobus Johannes Pienaar | |
1 November 1948 to 31 October 1958 | | William Nicol | |
1 November 1958 to 8 February 1966 | | Frans Hendrik Odendaal | |
12 February 1966 to 15 July 1979 | | Sybrand Gerhardus Johannes van Niekerk | |
16 July 1979 to 31 May 1988 | | Willem Adriaan Cruywagen | |
1 June 1988 to 7 May 1994 | | Daniel "Danie" Hough | Previously served as the Administrator-General of South West Africa, from 1980 to 1983 |