| Biographical details | |
|---|---|
| Born | May 7, 1973 Memphis, Tennessee |
| Alma mater | Ole Miss ('96) Canisius ('11) |
| Playing career | |
| 1993–1996 | Ole Miss |
| Position(s) | Utility |
| Coaching career (HC unless noted) | |
| 1999–2008 | Memphis University School |
| 2009 | Crichton |
| 2010 | Arkansas–Monticello (P/RC) |
| 2011–2013 | Arkansas–Pine Bluff (P/INF/RC) |
| 2016–2020 | Ole Miss (OF) |
| 2021–2024 | Charleston Southern |
| Head coaching record | |
| Overall | 86–116 (.426) (NCAA) 23–23 (.500) (NCCAA) |
| Tournaments | 4–4 (Big South) |
Marc MacMillan is an American baseball coach and former utility player. He played college baseball at Ole Miss for coach Don Kessinger from 1993 to 1996. He then served as the head coach of the Crichton Comets in 2009.