| Alex MacKinnon | |
| Nickname: | "Chipper" |
| Birth Date: | 16 February 1952 |
| Birth Place: | Toronto, Ontario, Canada |
| Hometown: | Rhyl, Denbighshire, Wales |
| Since: | 1975 |
| Darts: | 26g Shot Darts |
| Laterality: | Right-handed |
| Music: | "Coward of the County" by Kenny Rogers |
| Bdo: | 1983–1986 |
| Bdo World: | Last 32: 1984, 1985 |
| World Masters: | Last 32: 1983 |
| Tournament: | Ontario Open |
| Resultyears: | 1984 |
Alex MacKinnon (born 16 February 1952) is a Canadian former professional darts player who competed in the 1980s.
MacKinnon competed in the 1984 BDO World Darts Championship but was defeated in the first round by John Joe O'Shea of Ireland. He returned a year later in the 1985 BDO World Darts Championship, losing in the first round to England's Dave Whitcombe.
MacKinnon also played in the 1983 Winmau World Masters he defeating by Paul Lim in the Last 64, but lost in the Last 32 to Roy Baillie.
MacKinnon won the 1984 Ontario Open he beating by the final Canadian's Bob Sinnaeve.
He quit the BDO in 1986.