| Alex MacKay | |
| Fullname: | Alexander MacKay |
| Birth Date: | 10 January 1963[1] |
| Birth Place: | Wick, Caithness, Scotland |
| Hometown: | Wick, Caithness, Scotland |
| Since: | 1990 |
| Darts: | 24g |
| Laterality: | Right-handed |
| Pdc: | 2001–2004 |
| World Masters: | Last 32: 2001 |
| Pdc World: | Last 40: 2004 |
| Uk Open: | Last 96: 2004 |
Alexander MacKay (born 10 January 1963) is a Scottish former professional darts player who played in Professional Darts Corporation (PDC) events.
MacKay played in the 2004 PDC World Darts Championship, defeating Barry Jouannet of Australia in the last 48, but lost in the last 40 to Lionel Sams of England.