| Joo Sung-Hwan | |
| Fullname: | Joo Sung-Hwan |
| Birth Date: | 24 August 1990 |
| Birth Place: | South Korea |
| Currentclub: | Ayutthaya |
| Clubnumber: | 10 |
| Position: | Striker |
| Youthclubs1: | Hanyang University |
| Years1: | 2012 |
| Caps1: | 17 |
| Goals1: | 2 |
| Years2: | 2013 |
| Clubs2: | → Gyeongju KHNP (loan) |
| Caps2: | 15 |
| Goals2: | 1 |
| Years3: | 2014 |
| Caps3: | 29 |
| Goals3: | 2 |
| Years4: | 2015 |
| Caps4: | 27 |
| Goals4: | 7 |
| Years5: | 2016 |
| Caps5: | 16 |
| Goals5: | 5 |
| Years6: | 2017– |
| Caps6: | 0 |
| Goals6: | 0 |
| Nationalyears1: | 2007 |
| Nationalteam1: | South Korea U17 |
| Nationalcaps1: | 3 |
| Nationalgoals1: | 0 |
| Pcupdate: | 7 July 2013 |
Joo Sung-Hwan (; born 24 August 1990) is a South Korean footballer who plays as a striker for Ayutthaya in the Thai League 3.