| 1979 South Australian Open | |
|---|---|
| Date | 10–16 December |
| Edition | 78th |
| Draw | 32S / 16D |
| Prize money | $50,000 |
| Surface | Grass |
| Location | Adelaide, Australia |
| Venue | Memorial Drive Park |
| Champions | |
| Singles | |
| | |
| Doubles | |
| | |
The 1979 South Australian Open, also known by its sponsored name Berri Fruit Juices South Australian Open, was a men's ATP tennis tournament held at the Memorial Drive Park in Adelaide, Australia. It was the 78th edition of the tournament and was held from 10 December until 16 December 1979. Third-seeded Kim Warwick won the singles title.
Kim Warwick defeated
Bernard Mitton 7–6(7–3), 6–4
Colin Dibley /
Chris Kachel defeated
John Alexander /
Phil Dent 6–7, 7–6, 6–4