| Sirimongkhon Jitbanjong | |
| Fullname: | Sirimongkhon Jitbanjong |
| Birth Place: | Khon Kaen, Thailand |
| Birth Date: | 8 August 1997 |
| Position: | Winger, attacking midfielder |
| Currentclub: | Navy |
| Clubnumber: | 15 |
| Youthyears1: | 2012–2014 |
| Youthclubs1: | Khon Kaen Sport School |
| Years1: | 2014–2022 |
| Clubs1: | Suphanburi |
| Caps1: | 64 |
| Goals1: | 3 |
| Years2: | 2015 |
| Clubs2: | → Simork (loan) |
| Caps2: | 6 |
| Goals2: | 0 |
| Years3: | 2016 |
| Clubs3: | → Khon Kaen United (loan) |
| Caps3: | 2 |
| Goals3: | 0 |
| Years4: | 2016 |
| Clubs4: | → Simork (loan) |
| Caps4: | 3 |
| Goals4: | 1 |
| Years5: | 2022 |
| Clubs5: | → Navy (loan) |
| Caps5: | 13 |
| Goals5: | 2 |
| Years6: | 2022– |
| Clubs6: | Navy |
| Caps6: | 18 |
| Goals6: | 0 |
| Nationalteam1: | Thailand U19 |
| Nationalyears1: | 2015–2016 |
| Nationalcaps1: | 9 |
| Nationalgoals1: | 1 |
| Nationalyears2: | 2017–2018 |
| Nationalteam2: | Thailand U21 |
| Nationalcaps2: | 3 |
| Nationalgoals2: | 0 |
| Nationalyears3: | 2018 |
| Nationalteam3: | Thailand U23 |
| Nationalcaps3: | 3 |
| Nationalgoals3: | 0 |
| Pcupdate: | 18 March 2023 |
| Ntupdate: | 17 July 2018 |
Sirimongkhon Jitbanjong (Thai: ศิริมงคล จิตบรรจง, born August 8, 1997) is a Thai professional footballer who plays as a winger or an attacking midfielder for Thai League 3 club Navy.
He also represents for Thailand U-19 national football team in 2016 AFC U-19 Championship qualification.