| Billy MacKay | |
| Fullname: | William MacKay |
| Birth Date: | 27 October 1960 |
| Birth Place: | Glenrothes, Scotland |
| Position: | Midfielder |
| Years1: | 1977–1985 |
| Clubs1: | Rangers |
| Caps1: | 24 |
| Goals1: | 1 |
| Years2: | 1985–1987 |
| Clubs2: | Hearts |
| Caps2: | 5 |
| Goals2: | 0 |
| Years3: | 1986 |
| Clubs3: | → Dunfermline (loan) |
| Caps3: | 6 |
| Goals3: | 0 |
Billy MacKay (born 27 October 1960 in Glenrothes) is a Scottish former professional football player who is best known for his time with Rangers.
MacKay began his career with Rangers. Whilst at Ibrox he made 37 appearances and scored four goals. He joined Hearts in 1985 and spent two seasons there making five league appearances and making the bench for the 1986 Cup Final.[1] He also had a brief loan spell at Dunfermline Athletic whilst at Tynecastle. MacKay was forced to retire through injury in 1987.