| Thanat Jantaya | |
| Fullname: | Thanat Jantaya |
| Birth Date: | 1989 3, df=yes |
| Birth Place: | Ubon Ratchathani, Thailand |
| Currentclub: | Chainat Hornbill |
| Clubnumber: | 13 |
| Position: | Attacking midfielder |
| Youthyears1: | 2004–2006 |
| Youthclubs1: | Chonburi |
| Years1: | 2007–2011 |
| Clubs1: | Air Force United |
| Years2: | 2012 |
| Clubs2: | Sisaket |
| Years3: | 2013 |
| Years4: | 2013 |
| Clubs4: | → Krabi (loan) |
| Years5: | 2014 |
| Clubs5: | Air Force United |
| Years6: | 2014–2016 |
| Clubs6: | Ayutthaya |
| Years7: | 2016–2018 |
| Clubs7: | Chainat |
| Caps7: | 33 |
| Goals7: | 2 |
| Years8: | 2019 |
| Clubs8: | Air Force Central |
| Years9: | 2020– |
| Clubs9: | Chainat Hornbill |
Thanat Jantaya (th|ธานัท จันทะยา, born March 26, 1989[1]), is a Thai professional footballer who plays as an attacking midfielder for Thai League 1 club Chainat Hornbill.