| Investec Royal Swazi Open | |
| Location: | Ezulwini Valley, Eswatini |
| Establishment: | 1971 |
| Course: | Royal Swazi Spa |
| Par: | 72 |
| Yardage: | 7834yd |
| Tour: | Sunshine Tour |
| Format: | Modified Stableford |
| Month Played: | October |
| Final Year: | 2020 |
| Aggregate: | 259 Mark McNulty (1987) |
| To-Par: | −29 as above |
| Score: | 65 points Jaco van Zyl (2009) |
| Final Champion: |  Daniel van Tonder |
| Map: | Eswatini |
| Map Label: | Royal Swazi Spa |
| Map Relief: | yes |
| Map Size: | 200 |
| Coordinates: | -26.408°N 31.17°W |
The Investec Royal Swazi Open was a golf tournament on the Sunshine Tour. It was first played in 1971 and was played at the Royal Swazi Spa Country Club in the Ezulwini Valley, Eswatini. Since 2003, it was played using a Modified Stableford System.
| Year | Winner | Score | To par | Margin of victory | Runner(s)-up | Ref. | |
|---|---|---|---|---|---|---|---|
| Investec Royal Swazi Open | |||||||
| Daniel van Tonder (2) | 48 points | 18 points | |||||
| 59 points | 12 points | ||||||
| 47 points | 1 point | ||||||
| 49 points | 1 point | ||||||
| 60 points | 11 points | ||||||
| 45 points | 1 point | ||||||
| 48 points | Playoff | ||||||
| 45 points | Playoff | ||||||
| 50 points | 1 point | ||||||
| 45 points | 1 point | ||||||
| 47 points | 1 point | ||||||
| Samsung Royal Swazi Sun Open | |||||||
| 65 points | 12 points | ||||||
| 56 points | 6 points | ||||||
| Des Terblanche (2) | 50 points | 2 points | |||||
| 59 points | 9 points | ||||||
| Capital Alliance Royal Swazi Sun Open | |||||||
| 42 points | 1 point | ||||||
| 42 points | 1 point | ||||||
| 36 points | Playoff | ||||||
| Royal Swazi Sun Open | |||||||
| 268 | −20 | 2 strokes | |||||
| Investec Royal Swazi Sun Open | |||||||
| 263 | −25 | 8 strokes | |||||
| Stenham Swazi Open | |||||||
 Mark McNulty (5) | 267 | −13 | 2 strokes | ||||
| Stenham Royal Swazi Sun Open | |||||||
| 266 | −22 | 3 strokes | |||||
| 201 | −15 | Playoff | |||||
| Hollard Royal Swazi Sun Open | |||||||
| 269 | −19 | 1 stroke | |||||
| Hollard Royal Swazi Sun Classic | |||||||
| 271 | −17 | Playoff | [1] | ||||
| 266 | −22 | 2 strokes | |||||
| 274 | −14 | 2 strokes | |||||
| 272 | −16 | Playoff | |||||
| 269 | −19 | 1 stroke | |||||
| 265 | −23 | 4 strokes | |||||
| 267 | −21 | 2 strokes | [2] [3] | ||||
| 202 | −14 | 1 stroke | [4] | ||||
| Helix Swazi Sun Classic | |||||||
| 268 | −20 | Playoff | [5] | ||||
| Royal Swazi Sun Pro-Am | |||||||
| Mark McNulty (4) | 259 | −29 | 6 strokes | [6] | |||
| Swazi Sun Pro-Am | |||||||
| Mark McNulty (3) | 263 | −25 | Playoff | [7] | |||
| Mark McNulty (2) | 270 | −18 | 1 stroke | ||||
| 271 | −17 | 1 stroke | [8] [9] | ||||
| Holiday Inns Pro-Am | |||||||
| John Bland (3) | 271 | −17 | 2 strokes | [10] | |||
| 268 | −20 | 4 strokes | [11] [12] | ||||
| 278 | −10 | Playoff | [13] | ||||
| Holiday Inns Invitational | |||||||
| 274 | −14 | 1 stroke | [14] | ||||
| Holiday Inns Open | |||||||
| John Bland (2) | 267 | −21 | Playoff | ||||
| 1978: No tournament | |||||||
| Holiday Inns Invitational | |||||||
| 265 | −23 | 4 strokes | [15] | ||||
| 273 | −15 | Playoff | |||||
| Holiday Inns Open | |||||||
| 1975 (Dec) | Dale Hayes (3) | 275 | −13 | Playoff | |||
| Holiday Inns Invitational | |||||||
| 1975 (Feb) | 271 | −17 | 4 strokes | [16] | |||
| Holiday Inns Open | |||||||
| Dale Hayes (2) | 269 | −19 | 2 strokes | [17] | |||
| 136 | −8 | 1 stroke | [18] | ||||
| 270 | −18 | 1 stroke | [19] | ||||
| Holiday Inns Invitational | |||||||
| 1971 | 273 | −15 | Playoff | [20] [21] | |||