| 2019 Columbus Challenger | |
|---|---|
| Date | 7–13 January |
| Edition | 6th |
| Draw | 48S / 16D |
| Surface | Hard / Indoors |
| Location | Columbus, United States |
| Champions | |
| Singles | |
 J. J. Wolf | |
| Doubles | |
Maxime Cressy /  Bernardo Saraiva | |
The 2019 Columbus Challenger was a professional tennis tournament played on indoor hard courts. It was the sixth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Columbus, United States between 7 and 13 January 2019.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 NED | Thiemo de Bakker | 242 | 1 |
 CAN | Filip Peliwo | 243 | 2 |
 SVK | Norbert Gombos | 247 | 3 |
 BLR | Uladzimir Ignatik | 250 | 4 |
 COL | Santiago Giraldo | 253 | 5 |
| USA | Dennis Novikov | 257 | 6 |
 FRA | Benjamin Bonzi | 261 | 7 |
| USA | Kevin King | 262 | 8 |
| POR | Gastão Elias | 263 | 9 |
 CRO | Nino Serdarušić | 264 | 10 |
| FRA | Mathias Bourgue | 265 | 11 |
 ESP | Bernabé Zapata Miralles | 266 | 12 |
 DOM | José Hernández-Fernández | 267 | 13 |
| FRA | Johan Tatlot | 269 | 14 |
 ITA | Gianluca Mager | 270 | 15 |
| ESP | Mario Vilella Martínez | 271 | 16 |
The following players received entry into the singles main draw as wildcards:
Martin Joyce John McNally Kyle Seelig
Mikael Torpegaard J. J. Wolf The following players received entry into the singles main draw using their ITF World Tennis Ranking:
Tom Jomby Fabien Reboul Jelle Sels 
João Souza The following players received entry from the qualifying draw:
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