| 2019 Bangkok Challenger | |
|---|---|
| Date | 11–17 February |
| Edition | 11th |
| Surface | Hard |
| Location | Bangkok, Thailand |
| Champions | |
| Singles | |
 Henri Laaksonen | |
| Doubles | |
 Gong Maoxin / Zhang Ze | |
The 2019 Bangkok Challenger was a professional tennis tournament played on hard courts. It was the eleventh edition of the tournament and was part of the 2019 ATP Challenger Tour. It took place in Bangkok, Thailand between 11 and 17 February 2019.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 IND | Prajnesh Gunneswaran | 103 | 1 |
 JPN | Tatsuma Ito | 140 | 2 |
| SUI | Henri Laaksonen | 143 | 3 |
 FRA | Corentin Moutet | 145 | 4 |
| JPN | Yūichi Sugita | 160 | 5 |
 AUS | Marc Polmans | 170 | 6 |
| JPN | Hiroki Moriya | 178 | 7 |
 SRB | Viktor Troicki | 185 | 8 |
 KAZ | Aleksandr Nedovyesov | 190 | 9 |
 GER | Tobias Kamke | 206 | 10 |
| CHN | Zhang Ze | 208 | 11 |
| JPN | Go Soeda | 214 | 12 |
 ITA | Gianluca Mager | 222 | 13 |
 ISR | Dudi Sela | 226 | 14 |
 ESP | Alejandro Davidovich Fokina | 236 | 15 |
 NED | Thiemo de Bakker | 238 | 16 |
The following players received wildcards into the singles main draw:
Palaphoom Kovapitukted Natthasith Kunsuwan Janko Tipsarević Wishaya Trongcharoenchaikul Pol WattanakulThe following player received entry into the singles main draw as an alternate:
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:
Henri Laaksonen def. Dudi Sela 6–2, 6–4. Gong Maoxin / Zhang Ze def. 
Hsieh Cheng-peng / 
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