2002–03 Primera División A season

Primera División A
Season2002–2003
ChampionsInvierno: Irapuato (3rd Title)
Verano: León (1st title)
PromotedIrapuato
RelegatedGavilanes de Nuevo Laredo
Top goalscorerInvierno: Héctor Carlos Álvarez (23)
Verano: Julio César Yegros (9)

Primera División A (Méxican First A Division) is a Mexican football tournament. This season was composed of Invierno 2002 and Verano 2003. Irapuato was the winner of the promotion to First Division after winning León in the promotion playoff.