| Rungsak Kothcharak | |
| Fullname: | Rungsak Kothcharak |
| Birth Date: | 1993 11, df=yes |
| Birth Place: | Thailand |
| Currentclub: | Trat |
| Clubnumber: | 30 |
| Position: | Left-back |
| Years1: | 2015–2017 |
| Clubs1: | Army United |
| Caps1: | 7 |
| Goals1: | 0 |
| Years2: | 2018 |
| Clubs2: | Royal Thai Army |
| Years3: | 2019– |
Rungsak Kothcharak (born 24 November 1993), is a Thai professional footballer who plays as a left-back for Thai League 1 club Trat.[1]