Serie A de México
| Organising body | Federación Mexicana de Fútbol (FMF) |
|---|---|
| Founded | 2008 (as Liga Premier de Ascenso) |
| Country | Mexico |
| Number of clubs | 41 (3 groups) |
| Level on pyramid | 3 |
| Promotion to | Liga de Expansión MX |
| Relegation to | Liga Premier Serie B |
| Current champions | Irapuato (2nd title) |
| Most championships | UdeC Tampico Madero Universidad del Fútbol (3 titles each) |
| Broadcaster(s) | Megacable Televisa TVC Deportes |
| Website | Official website |
| Current: 2025–26 Serie A de México season | |
Liga Premier Serie A is a professional association football league in Mexico, part of the Liga Premier as the major subdivision in the third level of the Mexican football league system. Formerly named Liga Premier de Ascenso (2008–2017), it was created for clubs with the best infraestructure to compete for promotion to Liga de Expansión MX. The league has 41 participating clubs, divided into three groups by geographic location (two groups with 14 clubs and one group with 13 clubs), the champions are decided by a final knockout phase. The winners of Serie A are crowned as the Liga Premier champions.