| Koo Bon-sang | |
| Birth Date: | 4 October 1989 |
| Birth Place: | Yongin, Gyeonggi-do, South Korea |
| Position: | Defensive midfielder |
| Youthyears1: | 2005–2007 |
| Youthclubs1: | Janghoon High school |
| Youthyears2: | 2008–2011 |
| Youthclubs2: | Myongji University |
| Years1: | 2012–2014 |
| Caps1: | 83 |
| Goals1: | 0 |
| Years2: | 2015–2018 |
| Caps2: | 44 |
| Goals2: | 1 |
| Years3: | 2017–2018 |
| Clubs3: | → Hwaseong FC (loan) |
| Years4: | 2019 |
| Caps4: | 35 |
| Goals4: | 1 |
| Years5: | 2020-2021 |
| Caps5: | 7 |
| Goals5: | 0 |
| Pcupdate: | 12 January 2022 |
| Hangul: | 구본상 |
| Hanja: | 具本祥 |
| Rr: | Gu Bonsang |
| Mr: | Ku Ponsang |
Koo Bon-sang (; born 4 October 1989) is a South Korean footballer who plays as a midfielder.