2008–09 Primera División A season
| Season | 2008–09 | 
|---|---|
| Champions | Apertura: Querétaro  Clausura: Mérida  | 
| Promoted | Querétaro | 
| Relegated | Tapachula | 
← 2007–08  2009–10 →   | |
The format for the 2008–09 season changed from 2 groups of 12 to 3 groups of 9 teams. This gave the opportunity and the number increased from 24 to 27, many teams served as reserve teams from teams in D1.