| 2023 Winnipeg National Bank Challenger | |
|---|---|
| Date | August 14–19 |
| Edition | 6th |
| Category | ATP Challenger Tour |
| Surface | Hard – outdoors |
| Location | Winnipeg, Manitoba, Canada |
| Champions | |
| Singles | |
 Ryan Peniston | |
| Doubles | |
 Gabriel Diallo /  Leandro Riedi | |
The 2023 Winnipeg National Bank Challenger was a professional tennis tournament played on outdoor hard courts. It was the 6th edition of the tournament and part of the 2023 ATP Challenger Tour. It took place in Winnipeg, Manitoba, Canada between August 14 and 19, 2023.