| Robert MacKenzie | |
| Nickname: | "Robbie" |
| Birth Place: | Edinburgh, Scotland |
| Hometown: | Fauldhouse, Scotland |
| Since: | 1978 |
| Darts: | 16g |
| Laterality: | Right-handed |
| Music: | "You're the Voice" by John Farnham |
| Bdo: | 1984–1988 |
| Bdo World: | Last 32: 1986, 1987, 1988 |
| World Masters: | Last 16: 1984 |
Robert "Bob" MacKenzie is a Scottish former professional darts player who competed in the 1980s.
McKenzie played in three successive World Professional Darts Championships but lost in the first round on all three occasions. In 1986, McKenzie was beaten 3-1 by John Lowe from England, in 1987, he lost 3–0 in Finland's Tapani Uitos and in 1988 he was defeated 3-2 by England's Dennis Hickling.
Before his World Championship debut, McKenzie reached the second round of the 1984 Winmau World Masters, beating Raymond Rogers in round one before losing to Terry O'Dea. He was runner-up in the 1986 British Pentathlon behind John Lowe.