Annette Van Zyl
| Country (sports) | South Africa | 
|---|---|
| Born | 25 September 1943 Pretoria, South Africa  | 
| Height | 1.80 m (5 ft 11 in) | 
| Plays | Right-handed | 
| Singles | |
| Career record | no value | 
| Career titles | 11 | 
| Highest ranking | No. 6 (1965, 1966) | 
| Grand Slam singles results | |
| Australian Open | SF (1965) | 
| French Open | SF (1967, 1968) | 
| Wimbledon | QF (1966) | 
| US Open | QF (1967) | 
| Doubles | |
| Career record | no value | 
| Career titles | 4 | 
| Grand Slam doubles results | |
| Australian Open | QF (1965) | 
| French Open | F (1967) | 
| Wimbledon | QF (1963) | 
| US Open | SF (1967) | 
| Grand Slam mixed doubles results | |
| Australian Open | 3R (1965) | 
| French Open | W (1966) | 
| Wimbledon | SF (1966, 1967) | 
Annette Van Zyl (born 25 September), also known by her married name as Annette du Plooy, is a South African former tennis player. She was ranked in the top ten female players during the mid-1960s, and in 1966 she won the French Open Mixed Doubles title with Frew McMillan, defeating Ann Haydon-Jones and Clark Graebner in three sets.