| Bob McKenzie | |
| Fullname: | Robert Davis McKenzie III |
| Birth Date: | 19 December 1928 |
| Death Place: | Melbourne, Victoria |
| Originalteam: | Prahran Imperials |
| Height: | 178 cm |
| Weight: | 72 kg |
| Statsend: | 1955 |
| Years1: | 1948–1955 |
| Club1: | Melbourne |
| Games Goals1: | 125 (254) |
| Careerhighlights: |
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Robert Davis McKenzie III (19 December 1928 – 4 January 2012)[1] was an Australian rules football player, who played 125 games for the Melbourne Football Club in the Victorian Football League (VFL) between 1948 and 1955. McKenzie represented Victoria in interstate football on nine occasions throughout his career.
His son, Robert McKenzie played 42 games for Melbourne in the late 1960s and early 1970s.