The 2009–10 Liga IV was the fourth level of the Romanian football league system.
The number of teams differ from one county association to another.The matches was scheduled to be played on 15 June 2010.
[13] The championship final was played on 5 June 2010 at Ion Comșa Stadium in Călărași.
[22] Championship play-off played in a single round-robin tournament between the best four teams of the regular season.
[27][28][29] The championship final was played on 2 June 2010 at Viorel Mateianu Stadium in Baia Mare.