| Sean MacKinnon | |
| Birth Date: | 24 November 1995 |
| Birth Place: | St. Catharines, Ontario, Canada |
| Height: | 1.83 m |
| Weight: | 75 kg |
| Role: | Rider |
| Amateuryears1: | 2016 |
| Amateurteam1: | Team RaceClean |
| Amateuryears2: | 2018–2019 |
| Amateurteam2: | RealDeal Racing |
| Proyears1: | 2017 |
| Proteam1: | [1] |
| Show-Medals: | yes |
Sean MacKinnon (born 24 November 1995) is a Canadian professional racing cyclist.[2] He rode in the men's team pursuit at the 2016 UCI Track Cycling World Championships.[3]