| Alex Fergus | |
| Fullname: | Alexander Ferguson |
| Birth Date: | 1899 |
| Birth Place: | Kirkintilloch, Scotland |
| Death Date: | Unknown |
| Position: | Full back |
| Years1: | 1924–1926 |
| Caps1: | 38 |
| Goals1: | 0 |
| Years2: | 1926–1928 |
| Caps2: | 30 |
| Goals2: | 0 |
Alexander Fergus (1899 – unknown) was a Scottish professional association footballer who played as a full back. His nickname, famously, was Fergie.