| 2018 Bangkok Challenger II | |
|---|---|
| Date | 8–13 January |
| Edition | 3rd |
| Draw | 32S / 16D |
| Surface | Hard |
| Location | Bangkok, Thailand |
| Champions | |
| Singles | |
 Marcel Granollers | |
| Doubles | |
 James Cerretani /  Joe Salisbury | |
The 2018 Bangkok Challenger II was a professional tennis tournament played on hard courts. It was third edition of the tournament and part of the 2018 ATP Challenger Tour. It took place in Bangkok, Thailand between 8 and 13 January 2018.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| ESP
|
Marcel Granollers | 177 | 1 |
| ESP
|
Enrique López Pérez | 256 | 2 |
| ESP
|
Pedro Martínez | 261 | 3 |
 TPE
|
Yang Tsung-hua | 265 | 4 |
 RUS
|
Ivan Nedelko | 273 | 5 |
 GER
|
Mats Moraing | 274 | 6 |
 JPN
|
Yusuke Takahashi | 282 | 7 |
 ITA
|
Matteo Viola | 285 | 8 |
The following players received wildcards into the singles main draw:
Thanapet Chanta Congsup Congcar Pruchya Isaro Pol WattanakulThe following player received entry into the singles main draw using a protected ranking:
The following players received entry from the qualifying draw:
Yuya Kibi
Frederik Nielsen
Sidharth Rawat
Emil Ruusuvuori Marcel Granollers def. Enrique López Pérez 4–6, 6–2, 6–0. James Cerretani / Joe Salisbury def. Enrique López Pérez / Pedro Martínez 6–7(5–7), 6–3, [10–8].
