| Cabinet Name: | Second Hertzog Cabinet |
| Cabinet Number: | 6th |
| Jurisdiction: | the Union of South Africa (since the 1909 South Africa Act) |
| Flag: | Flag of South Africa (1928–1982).svg |
| Flag Border: | true |
| Incumbent: | 1929–1933 |
| State Head Title: | Monarch |
| State Head: | King George V |
| Governor General Title: | Governor-General |
| Government Head Title: | Prime Minister |
| Government Head: | Barry Hertzog |
| Legislature Status: | Coalition |
| Opposition Party: | South African Party |
| Opposition Leader: | Jan Smuts |
| Election: | 1929 election |
| Previous: | Hertzog I |
| Successor: | Hertzog III |
| Post | Minister | Term | Party | |||
|---|---|---|---|---|---|---|
| Prime Minister | Gen. Barry Hertzog | 1929 | 1933 | NP | ||
| Minister of External Affairs | ||||||
| Minister of Agriculture | The Hon. Jan Kemp MP | 1929 | 1933 | align=center | NP | |
| Minister of Defence | The Hon. Frederic Creswell MP | 1929 | 1933 | Labour | ||
| Minister of Labour | ||||||
| Minister of Education | The Hon. Daniël Malan MP | 1929 | 1933 | NP | ||
| Minister of Interior Affairs | ||||||
| Minister of Public Health | ||||||
| Minister of Finance | The Hon. N. C. Havenga MP | 1929 | 1933 | align=center | NP | |
| Minister of Irrigation | The Hon. Ernest Jansen MP | 1929 | 1933 | NP | ||
| Minister of Native Affairs | ||||||
| Minister of Justice | The Hon. Oswald Pirow MP | 1929 | 1933 | align=center | NP | |
| Minister of Lands | The Hon. P. G. W. Grobler MP | 1924 | 1933 | align=center | NP | |
| Minister of Mines and Industry | The Hon. Adriaan Fourie MP | 1929 | 1933APJ | align=center | NP | |
| Minister of Posts and Telegraphs | The Hon. H. W. Sampson MP | 1928 | 1929 | Labour | ||
| Minister of Public Works | ||||||
| Minister of Railways and Harbours | The Hon. Charles Malan MP | 1929 | 1933 | align=center | NP | |