| 2019 Columbus Challenger III | |
|---|---|
| Date | 16–22 September |
| Edition | 8th |
| Draw | 48S / 16D |
| Surface | Hard |
| Location | Columbus, United States |
| Champions | |
| Singles | |
 Peter Polansky | |
| Doubles | |
 Martin Redlicki / Jackson Withrow | |
The 2019 Columbus Challenger III was a professional tennis tournament played on hard courts. It was the eighth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Columbus, United States between 16 and 22 September 2019.