| 2013 Chang-Sat Bangkok Open | |
|---|---|
| Date | 26 August – 1 September |
| Edition | 5th |
| Surface | Hard |
| Location | Bangkok, Thailand |
| Champions | |
| Singles | |
 Blaž Kavčič | |
| Doubles | |
 Chen Ti / Huang Liang-chi | |
The 2013 Chang-Sat Bangkok Open was a professional tennis tournament played on hard courts. It was the fifth edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Bangkok, Thailand between 26 August and 1 September 2013.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| SLO | Blaž Kavčič | 125 | 1 |
 AUS | Matthew Ebden | 127 | 2 |
| TPE | Jimmy Wang | 139 | 3 |
 JPN | Yūichi Sugita | 148 | 4 |
| JPN | Hiroki Moriya | 181 | 5 |
| AUS | Matt Reid | 212 | 6 |
 HUN | Márton Fucsovics | 233 | 7 |
| AUS | Benjamin Mitchell | 260 | 8 |
The following players received wildcards into the singles main draw:
Phassawit Burapharitta Chayanon Kaewsuto Warit Sornbutnark Kittipong Wachiramanowong The following players received entry from the qualifying draw:
Tyler Hochwalt
Temur Ismailov 
Karunuday Singh Wishaya Trongcharoenchaikul The following players received entry as a lucky loser into the main draw:
Punn Bodhidatta Sanjar Fayziev Blaž Kavčič def. 
Jeong Suk-young 6–3, 6–1 Chen Ti / Huang Liang-chi def. Jeong Suk-young / Nam Ji-sung 6–3, 6–2