| Alongkorn Jornnathong | |
| Fullname: | Alongkorn Jornnathong |
| Birth Date: | 24 August 1989 |
| Birth Place: | Kalasin, Thailand |
| Height: | 1.63 m |
| Currentclub: | Mahasarakham SBT |
| Position: | Midfielder |
| Youthclubs1: | Rayong |
| Years1: | 2017 |
| Years2: | 2017 |
| Years3: | 2018– |
| Caps3: | 4 |
| Goals3: | 0 |
| Years4: | 2018–2019 |
| Clubs4: | → Rayong (loan) |
| Caps4: | 33 |
| Goals4: | 5 |
| Years5: | 2020 |
| Clubs5: | Rayong |
| Caps5: | 6 |
| Goals5: | 1 |
| Years6: | 2020–2024 |
| Clubs6: | Khon Kaen United |
| Caps6: | 72 |
| Goals6: | 6 |
| Years7: | 2024– |
| Clubs7: | Mahasarakham SBT |
| Caps7: | 0 |
| Goals7: | 0 |
Alongkorn Jornnathong (Thai: อลงกรณ์ จรนาทอง; born 24 August 1989) is a Thai professional footballer who plays as a midfielder.[1]