| Bob Mauchline | |
| Fullname: | Robert Duff Mauchline[1] |
| Birth Date: | 1913 12, df=y |
| Birth Place: | Falkirk, Scotland |
| Position: | Outside left |
| Years1: | 1936–1938 |
| Years2: | 1938–1939 |
| Years3: | 1939 |
| Years4: | 1939–1946 |
| Clubs1: | Heart of Midlothian |
| Clubs2: | Blackpool |
| Clubs3: | Barrow |
| Clubs4: | Accrington Stanley |
| Caps2: | 4 |
| Caps3: | 14 |
| Caps4: | 0 |
| Goals2: | 0 |
| Goals3: | 3 |
| Goals4: | 0 |
Robert Duff Mauchline (15 December 1913 – 1999) was a Scottish footballer who played as an outside left for Heart of Midlothian. He later played for English clubs Blackpool, Barrow and Accrington Stanley in the English Football League.