2009–10 Liga III
The 2009–10 Liga III season was the 54th season of Liga III, the third tier of the Romanian football league system. The season started on August 21, 2009 and ended on June 4, 2010.
The winners of each division got promoted to the 2010–11 Liga II season.
The bottom six from each division were relegated at the end of the season to the county football leagues. From the 12th placed teams, another one was relegated. To determine this team, separate standings were computed, using only the games played against the clubs ranked 1st through 11th.Seria I
Seria II
Seria III
Seria IV
Seria V
Seria VI