| No. | Portrait | Name
(Birth–Death) | Election | Term of office | Political party | Monarch(s)
(Reign) |
|---|
| Took office | Left office | Time in office |
|---|
| 1 | | Makhosini Dlamini
(1914–1978) | 1967
1972 | 16 May 1967 | 31 March 1976 | 8 years, 320 days | INM
(until 1973) |
Sobhuza II
(1899–1982) |
|---|
| Independent |
| 2 | | Maphevu Dlamini
(1922–1979) | 1978 | 31 March 1976 | 25 October 1979[†] | 3 years, 208 days | Independent |
|---|
| — | | Ben Nsibandze
(1931–2021) | — | 25 October 1979 | 23 November 1979 | 29 days | Independent |
|---|
| 3 | | Mabandla Dlamini
(born 1930) | — | 23 November 1979 | 25 March 1983 | 3 years, 122 days | Independent |
|---|
| Interregnum |
| 4 | | Bhekimpi Dlamini
(1924–1999) | 1983 | 25 March 1983 | 6 October 1986 | 3 years, 195 days | Independent |
|---|
Mswati III
(since 1986) |
| 5 | | Sotsha Dlamini
(1940–2017) | 1987 | 6 October 1986 | 12 July 1989 | 2 years, 279 days | Independent |
|---|
| 6 | | Obe
|
|---|