| Cabinet Name: | Hertzog ministry |
| Cabinet Number: | 3rd |
| Jurisdiction: | the Union of South Africa |
| Date Formed: | 30 June 1924 |
| Government Head: | J. B. M. Hertzog |
| State Head: | George V Edward VIII George VI |
| Political Party: | National Party |
| Election: | 1924 1929 1933 1938 |
| Opposition Party: | South African Party (1924–1933) Purified National Party (1934–1939) |
| Opposition Leader: | Jan Smuts (1924–1933) Daniel François Malan (1934–1939) |
| Previous: | First Jan Smuts government |
| Successor: | Second Jan Smuts government |
J. B. M. Hertzog became the Prime Minister of South Africa on 30 June 1924, replacing Jan Smuts. Hertzog led four cabinets, serving until 5 September 1939.
The general election of 1924 led to the first political transition since the formation of the Union of South Africa in 1910. The training that J. B. M. Hertzog between 1924 and 1929 government was a coalition between the National Party (NP) and the Labour Party (LP).
| Office | Name | Dates | ||
|---|---|---|---|---|
| Prime Minister and Minister of Native Affairs | J. B. M. Hertzog | 30 June 1924 – 14 June 1929 | ||
| Minister of Foreign Affairs | 1927 – 14 June 1929 | |||
| Minister of Agriculture | Jan Kemp | 30 June 1924 – 14 June 1929 | ||
| Minister of Defence | Frederic Creswell | 30 June 1924 – 14 June 1929 | ||
| Minister of Finance | Nicolaas Havenga | 30 June 1924 – 14 June 1929 | ||
| Minister of Justice | Tielman Roos | 30 June 1924 – 14 June 1929 | ||
| Minister of the Interior Minister of Education Minister of Public Health | Daniel François Malan | 30 June 1924 – 14 June 1929 | ||
| Minister of Irrigation | Ernest George Jansen | 1928 – 14 June 1929 | ||
| Minister of Lands | Peter Grobler | 30 June 1924 – 14 June 1929 | ||
| Minister of Labour | Frederic Creswell | 30 June 1924 – 1925 | ||
| Thomas Boydell | 1925 – 14 June 1929 | |||
| Minister of Mines and Industry | Frederick William Beyers | 30 June 1924 – 14 June 1929 | ||
| Minister of Railways and Harbors | Charles Wynand Malan | 30 June 1924 – 14 June 1929 | ||
| Minister of Public Works | Thomas Boydell Walter Madeley Henry William Sampson | 1924–25 1925–28 1928–29 | ||
| Minister of Posts and Telegraphs | Thomas Boydell Walter Madeley Henry William Sampson | 1924–25 1925–28 1928–29 | ||
The 1929 general election was won by the National Party (41% of votes) due to its absolute majority in seats (78) facing the South African Party who had received 47% of the vote, but only 61 representatives. Although the National Party had a majority government, Hertzog renewed the electoral alliance with the Labour Party (8 elected), Frederic Creswell
| Office | Name | Dates | |
|---|---|---|---|
| Prime Minister and Minister of Foreign Affairs | J. B. M. Hertzog | 14 June 1929 – 17 May 1933 | |
| Minister of the Interior Minister of Education Minister of Public Health | Daniel François Malan | 30 June 1924 – 14 June 1929 | |