| Gregor MacKenzie | |
| Birth Date: | 1956 7, df=y |
| Birth Place: | Inverness, Scotland |
| Ru Position: | Prop |
| Repcaps1: | 1 |
| Repyears1: | 1984 |
| Occupation: | Farmer |
| School: | Strathallan School |
| Relatives: | Ruaridh MacKenzie, son |
Alexander David Gregor MacKenzie (born 9 July 1956 in Inverness) is a former Scottish international rugby union player.[1] His regular playing position was Prop.
MacKenzie was educated at Strathallan School in Perthshire. He now runs a farm near Hanmer Springs, Canterbury, New Zealand.
MacKenzie was capped once in 1984 at prop against on 8 December as part of their 1984 tour of Britain and Ireland. Australia won the match 37–12 at Murrayfield.