| Date: | 9–14 January |
| Edition: | 2nd |
| Draw: | 32S / 16D |
| Surface: | Hard |
| Prize Money: | $50,000 |
| Location: | Bangkok, Thailand |
| Champs: |  Janko Tipsarević |
| Champd: |  Sanchai Ratiwatana / Sonchat Ratiwatana |
| Before Name: | KPN Bangkok Open II |
The 2017 Bangkok Challenger II was a professional tennis tournament played on hard courts. It was second edition of the tournament and part of the 2017 ATP Challenger Tour. It took place in Bangkok, Thailand between 9 and 14 January 2017.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Serbia | Janko Tipsarević | 144 | 1 | |
| Cristian Garín | 211 | 2 | ||
 Russian Federation | Aslan Karatsev | 235 | 3 | |
 Czech Republic | Zdeněk Kolář | 244 | 4 | |
 France | Grégoire Barrère | 247 | 5 | |
 Belgium | Yannick Mertens | 251 | 6 | |
| France | Axel Michon | 259 | 7 | |
| Czech Republic | Václav Šafránek | 261 | 8 |
The following players received wildcards into the singles main draw:
Phassawit Burapharitta Patcharapol Kawin Werapath Sirijatiyaporn Chaleechan TanasugarnThe following players received entry from the qualifying draw:
See main article: 2017 Bangkok Challenger II – Singles.
Janko Tipsarević def. 
Li Zhe, 6–2, 6–3.See main article: 2017 Bangkok Challenger II – Doubles.
Sanchai Ratiwatana / Sonchat Ratiwatana def. Sadio Doumbia / Fabien Reboul, 7–6(7–4), 7–5.