| Supaphorn Prompinit | |
| Birth Date: | 1989 3, df=y |
| Birth Place: | Sakon Nakhon, Thailand |
| Position: | Attacking Midfielder |
| Years1: | 2008–2011 |
| Clubs1: | Sriracha |
| Caps1: | 34 |
| Goals1: | 5 |
| Years2: | 2012–2013 |
| Clubs2: | Chonburi |
| Caps2: | 14 |
| Goals2: | 1 |
| Years3: | 2013 |
| Clubs3: | → Suphanburi (loan) |
| Caps3: | 19 |
| Goals3: | 1 |
| Years4: | 2014 |
| Caps4: | 2 |
| Goals4: | 0 |
| Years5: | 2015 |
| Clubs5: | Port |
| Caps5: | 1 |
| Goals5: | 0 |
| Years6: | 2015 |
| Clubs6: | Chiangmai |
| Caps6: | 16 |
| Goals6: | 1 |
| Years7: | 2016–2017 |
| Clubs7: | Trat |
| Caps7: | 21 |
| Goals7: | 2 |
| Years8: | 2023 |
| Clubs8: | Thap Luang United |
| Caps8: | 10 |
| Goals8: | 0 |
| Nationalyears1: | 2008–2009 |
| Nationalteam1: | Thailand U19 |
| Pcupdate: | 11 November 2023 |
Supaphorn Prompinit (Thai: สุภภรณ์ พรหมพินิจ; born March 3, 1989, also spelled Suphaphorn Phromphinit) is a professional footballer from Thailand.