2025–26 Thai League 3 Cup
| BGC Muang Thai Insurance Cup | |
|---|---|
| Tournament details | |
| Country | Thailand |
| Dates | 29 November 2025 – TBD |
| Teams | 53 |
The 2025–26 Thai League 3 Cup is the 3rd season of a Thailand's knockout football competition. Matches are organized into two phases: the league and the knockout phases. In the league phase, clubs compete in a regionally based format with a fixed number of matches per club, while the knockout phase follows a single-elimination structure. The competition retains its sponsorship by BG Container Glass (BGC) and Muang Thai Insurance (MTI), and it is officially named the BGC Muang Thai Insurance Cup (Thai: บีจีซี เมืองไทยประกันภัย คัพ). A total of 53 clubs from the 2025–26 Thai League 3 are participating. The tournament commenced on 29 November 2025 and concluded with the final on TBD. The prize pool remains unchanged, with the champions awarded 3 million baht and the runners-up receiving 1 million baht.