2009–10 Torneo Argentino A

The 2009–10 Argentine Torneo Argentino A was the fifteenth season of third division professional football in Argentina. A total of 25 teams competed; the champion was promoted to Primera B Nacional.

Zone A
1 Play their home games at Estadio José María Minella.

Promotion/relegation playoff B Nacional-Torneo Argentino A

 * C.A.I remained in the Primera B Nacional by winning the playoff.

Relegation Matches
!colspan="5"|Relegation/promotion playoff 1

!colspan="5"|Relegation/promotion playoff 2


 * Alumni (VM) remained in the Torneo Argentino A by winning the playoff.
 * Villa Mitre remained in the Torneo Argentino A by drawing the playoff.