| 2019 Winnipeg National Bank Challenger | |
|---|---|
| Date | July 8–14 |
| Edition | 4th |
| Category | ATP Challenger Tour |
| Surface | Hard – outdoors |
| Location | Winnipeg, Manitoba, Canada |
| Venue | Winnipeg Lawn Tennis Club |
| Champions | |
| Singles | |
 Norbert Gombos | |
| Doubles | |
 Darian King /  Peter Polansky | |
The 2019 Winnipeg National Bank Challenger was a professional tennis tournament played on outdoor hard courts. It was the 4th edition of the tournament and part of the 2019 ATP Challenger Tour. It took place in Winnipeg, Manitoba, Canada between July 8 and July 14, 2019.