| 2019 Da Nang Tennis Open | |
|---|---|
| Date | 6–12 January |
| Edition | 1st |
| Draw | 48S / 16D |
| Surface | Hard |
| Location | Da Nang, Vietnam |
| Champions | |
| Singles | |
 Marcel Granollers | |
| Doubles | |
 Hsieh Cheng-peng /  Christopher Rungkat | |
The 2019 Da Nang Tennis Open was a professional tennis tournament played on hardcourts. It was the first edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Da Nang, Vietnam between 6 and 12 January 2019.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| ESP | Marcel Granollers | 96 | 1 |
 ITA | Matteo Viola | 291 | 2 |
 IND | Sasikumar Mukund | 295 | 3 |
 USA | Thai-Son Kwiatkowski | 296 | 4 |
| TPE | Yang Tsung-hua | 298 | 5 |
| USA | Evan Song | 320 | 6 |
 GER | Sebastian Fanselow | 323 | 7 |
 JPN | Yusuke Takahashi | 326 | 8 |
| JPN | Renta Tokuda | 337 | 9 |
 HUN | Zsombor Piros | 338 | 10 |
| IND | Sumit Nagal | 339 | 11 |
 FRA | Alexandre Müller | 342 | 12 |
| ESP | Carlos Boluda-Purkiss | 353 | 13 |
| FRA | Antoine Escoffier | 355 | 14 |
| JPN | Makoto Ochi | 358 | 15 |
 KAZ | Denis Yevseyev | 359 | 16 |
The following players received entry into the singles main draw as wildcards:
Shinji Hazawa Daniel Nguyen 
Sonchat Ratiwatana 
Trịnh Linh Giang 
Stefan VujicThe following players received entry into the singles main draw using their ITF World Tennis Ranking:
Riccardo Bonadio 
Kim Cheong-eui Jordi Samper Montaña Yuta Shimizu The following players received entry from the qualifying draw:
Manish Sureshkumar Kaito Uesugi The following player received entry as a lucky loser:
Alafia Ayeni Marcel Granollers def. Matteo Viola 6–2, 6–0. Hsieh Cheng-peng / Christopher Rungkat def. Leander Paes / 
Miguel Ángel Reyes-Varela 6–3, 2–6, [11–9].