Thai League 3 Cup
| Organiser(s) | Football Association of Thailand |
|---|---|
| Founded | 2023 |
| Region | Thailand |
| Teams | 55 |
| Current champions | Thonburi United (1st title) |
| Most championships | Phatthalung, Thonburi United (1 title) |
| Website | Official website |
| 2025–26 Thai League 3 Cup | |
The Thai League 3 Cup, currently known as the BGC Muang Thai Insurance Cup for sponsorship reasons, is an annual knockout competition in men's domestic football in Thailand. Organized by the Football Association of Thailand (FA Thailand), it is open to any clubs within Thai League 3, the third tier of the Thai football league system.