| Birth Date: | November 6, 1958 |
| Birth Place: | Brantford, Ontario, Canada |
| Height Ft: | 6 |
| Height In: | 0 |
| Weight Lb: | 195 |
| Position: | Defence |
| Played For: | Winnipeg Jets Washington Capitals |
| Draft: | 23rd overall |
| Draft Year: | 1978 |
| Draft Team: | Washington Capitals |
| Career Start: | 1978 |
| Career End: | 1984 |
Paul Gregory MacKinnon (born November 6, 1958) is a Canadian former professional ice hockey defenceman.
MacKinnon was born in Brantford, Ontario. Selected by the Washington Capitals in the 1978 NHL Entry Draft, MacKinnon signed to play with the Winnipeg Jets of the World Hockey Association. The Capitals reclaimed MacKinnon back prior to the 1979–80 season, where he played until the end of the 1983–84 NHL season.