| Date: | March 11–17 |
| Edition: | 13th |
| Category: | ATP Challenger Tour |
| Surface: | Hard (indoor) |
| Location: | Drummondville, Canada |
| Champs: |  Ričardas Berankis |
| Champd: |  Scott Clayton /  Adil Shamasdin |
| Main Name: | Challenger de Drummondville |
The 2019 Challenger Banque Nationale de Drummondville was a professional tennis tournament played on indoor hard courts. It was the 13th edition of the tournament and part of the 2019 ATP Challenger Tour. It took place in Drummondville, Canada between March 11 and March 17, 2019.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Lithuania | Ričardas Berankis | 95 | 1 | |
| Yannick Maden | 119 | 2 | ||
 Estonia | Jürgen Zopp | 157 | 3 | |
 Ecuador | Roberto Quiroz | 175 | 4 | |
 Belgium | Arthur De Greef | 183 | 5 | |
 Serbia | Nikola Milojević | 184 | 6 | |
 France | Maxime Janvier | 211 | 7 | |
 Australia | John-Patrick Smith | 219 | 8 | |
| JC Aragone | 243 | 9 | ||
 Dominican Republic | Roberto Cid Subervi | 249 | 10 | |
| Mikael Torpegaard | 255 | 11 | ||
| Christian Harrison | 258 | 12 | ||
| Thai-Son Kwiatkowski | 264 | 13 | ||
 Italy | Matteo Viola | 268 | 14 | |
 Japan | Kaichi Uchida | 282 | 15 | |
| France | Tristan Lamasine | 286 | 16 |
The following players received wildcards into the singles main draw:
Taha Baadi Liam Draxl Pavel Krainik Joshua Peck John-Patrick SmithThe following players received entry into the singles main draw as alternates:
The following players received entry into the singles main draw using their ITF World Tennis Ranking:
The following players received entry from the qualifying draw:
See main article: 2019 Challenger Banque Nationale de Drummondville – Singles.
Ričardas Berankis def. Yannick Maden 6–3, 7–5.See main article: 2019 Challenger Banque Nationale de Drummondville – Doubles.
Scott Clayton / Adil Shamasdin def. Matt Reid / John-Patrick Smith 7–5, 3–6, [10–5].
