| Garrett Mack | |
| Current Title: | Defensive line coach |
| Current Team: | Duquesne |
| Current Conference: | NEC |
| Birth Place: | Brunswick, Ohio, U.S. |
| Alma Mater: | Baldwin Wallace University (2015) |
| Coach Years1: | 2013 |
| Coach Team1: | Baldwin Wallace (SA) |
| Coach Years2: | 2013–2014 |
| Coach Team2: | Fairview HS (OH) (DC/DB) |
| Coach Years3: | 2015 |
| Coach Team3: | Holy Name HS (OH) (DC/LB) |
| Coach Years4: | 2016 |
| Coach Team4: | Oberlin HS (OH) |
| Coach Years5: | 2017 |
| Coach Team5: | Oberlin (LB) |
| Coach Years6: | 2018 |
| Coach Team6: | Baldwin Wallace (WR) |
| Coach Years7: | 2019 |
| Coach Team7: | Oberlin (LB) |
| Coach Years8: | 2020–2021 |
| Coach Team8: | Notre Dame (OH) (DL) |
| Coach Years9: | 2022–2023 |
| Coach Team9: | Notre Dame (OH) |
| Coach Years10: | 2024–present |
| Coach Team10: | Duquesne (DL) |
| Overall Record: | 16–6 (college) 4–6 (high school) |
| Tournament Record: | 0–1 (NCAA D-II playoffs) |
| Championships: | 1 MEC (2022) |
Garrett Mack (born or 1990) is an American college football coach. He is the defensive line coach for Duquesne University, a position he has held since 2024. He was the head football coach for Notre Dame College from 2022 until 2023 when the school announced it was closing.[1] He coached for Baldwin Wallace, Fairview High School, Holy Name High School,[2] Oberlin High School,[3] and Oberlin.