| Piyawat Thongman | |
| Fullname: | Piyawat Thongman |
| Birth Date: | 1982 10, df=y |
| Birth Place: | Nakhon Pathom, Thailand |
| Position: | Striker |
| Youthclubs1: | Bangkok United |
| Years1: | 1999–2001 |
| Years2: | 2002–2004 |
| Years3: | 2005–2006 |
| Years4: | 2007–2008 |
| Years5: | 2009 |
| Years6: | 2009 |
| Years7: | 2010–2011 |
| Years8: | 2012–2013 |
| Years9: | 2014 |
| Years10: | 2015–2018 |
| Clubs10: | Rayong |
| Caps10: | 16 |
| Goals10: | 1 |
| Clubs7: | Sisaket |
| Clubs8: | Saraburi |
| Clubs9: | Sisaket |
| Caps1: | 39 |
| Caps2: | 43 |
| Caps3: | 34 |
| Caps4: | 38 |
| Caps5: | 2 |
| Caps6: | 7 |
| Caps7: | 18 |
| Caps8: | 24 |
| Caps9: | 10 |
| Goals1: | 13 |
| Goals2: | 15 |
| Goals3: | 10 |
| Goals4: | 6 |
| Goals5: | 0 |
| Goals6: | 1 |
| Goals7: | 8 |
| Goals8: | 5 |
| Goals9: | 1 |
| Totalcaps: | 231 |
| Totalgoals: | 60 |
| Nationalyears1: | 2003 |
| Nationalteam1: | Thailand U23 |
| Nationalyears2: | 2002–2003 |
| Nationalteam2: | Thailand |
| Nationalcaps2: | 8 |
| Nationalgoals2: | 2 |
| Pcupdate: | 14 November 2008 |
| Medaltemplates: | |
Piyawat Thongman (Thai: ปิยะวัฒน์ ทองแม้น) is a former professional footballer from Thailand.
He has played several times for the Thailand national football team, including appearances in several 2006 FIFA World Cup qualifying matches.