The Great Northeast Athletic Conference (GNAC) has sponsored a men's swimming & diving championship since 2016-17. The league conducted an invitational event since 2011-12. The GNAC championship was held in December (fall semester) until 2018-19 when it was moved into February (spring semester). The "championship year" reflects the semester the event was held.
NOTE: The information listed here is from archived GNAC files, NCAA record books, and member institution websites. If you believe any of the information to be inaccurate or can help us fill in the blanks, please let us know by contacting the Assistant Commissioner, Janard Jones.
| YEAR | CHAMPION | RUNNER-UP | NCAA TOURNAMENT |
|---|---|---|---|
| 2025-26 | Norwich | University of Saint Joseph (Conn.) | |
| 2024-25 | Norwich | Regis | |
| 2023-24 | Norwich | Regis | |
| 2022-23 | Norwich | Saint Joseph (Conn.) | |
| 2021-22 | Roger Williams | Norwich | |
| 2020-21 | No Championship - COVID-19 | ||
| 2019-20 | Norwich | Husson | |
| 2018-19 | Norwich | Regis | |
| 2017-18 | Norwich | Regis | |
| 2016-171 | Norwich | Regis | |
| 2015-161 | Norwich | Regis | |
| 2014-151 | Norwich | Regis | |
| 2013-141 | Norwich | Elms | |
| 2012-131 | Norwich | Elms | |
| 2011-121 | Norwich | Regis | |
1 - Invitational