2012–13 Liga IV
The 2012–13 Liga IV was the 71st season of the Liga IV, the fourth tier of the Romanian football league system. The champions of each county association play against one from a neighboring county in a play-off match played on a neutral venue. The winners of the play-off matches promoted to Liga III.
Promotion play-off
The matches was scheduled to be played on 19 June 2013.County leagues
Bacău County
;Relegation play-offThe 17th-placed team of the Liga IV faces the 2nd placed team from Liga V Bacău. The match played on 30 June 2013.
Botoșani County
;Relegation play-offThe 14th and 15th-placed teams of the Liga IV faces the 2nd placed teams from the two series of Liga V Botoșani.
Bucharest
;Seria 1;Seria 2
;Championship play-off
;Group 1
All matches were played at Rocar Stadium in Bucharest on 24, 27 and 29 May 2013.
;Group 2
All matches were played at Romprim Stadium in Bucharest on 23, 25 and 28 May 2013.
;Semi-finals
;Final
''Chitila won the 2012–13 Liga IV Bucharest and qualify to [|promotion play-off] in Liga III.''
Buzău County
;Series I;Series II
;Series III
;Championship play-off
;Quarter-finals
;Semi-finals
;Final
The championship final was played on 9 June 2013 at Gloria Stadium in Buzău.
''Voința Lanurile won the 2012–13 Liga IV Buzău County and qualify to promotion play-off in Liga III.''
Călărași County
;Relegation play-offThe 13th and 14th-placed teams of the Liga IV faces the 2nd placed teams from the two series of Liga V Călărași.
Constanța County
;East Series;West Series
;Championship play-off
The teams started the play-off with all the records achieved in the regular season and played only against the teams from the other series.
;Championship play-out
The teams started the play-out with all the records achieved in the regular season and played only against the teams from the other series.
Dolj County
;Championship play-offThe results between the qualified teams was maintained in the championship play-off.
Giurgiu County
;Championship play-offNova Force Giurgiu and Avântul Florești did not pay their debts to AJF Giurgiu and, as a result, were not scheduled to play in the semifinals. In these conditions, the final played on 12 iunie 2013, at Orășenesc Stadium in Mihăilești, between Bolintin Malu Spart and Spicul Izvoru.
;Final
''Bolintin Malu Spart won the 2012–13 Liga IV Giurgiu County and qualify to promotion play-off in Liga III.''
Ilfov County
;Championship play-offChampionship play-off played in a single round-robin tournament between the best four teams of the regular season. The teams started the play-off with the following points: 1st place – 3 points, 2nd place – 2 points, 3rd place – 1 point, 4th place – 0 points.
Maramureș County
;North Series;South Series
;Championship final
The championship final was played on 12 June 2013 at Viorel Mateianu Stadium in Baia Mare.
''Baia Mare won the 2012–13 Liga IV Maramureș County and qualify to promotion play-off in Liga III.''
Neamț County
;Championship play-offThe championship play-off was played in a single round-robin tournament between the best four teams of the regular season. The teams started the play-off with the following points: 1st place – 3 points, 2nd place – 2 points, 3rd place – 1 point, 4th place – 0 points.
Satu Mare County
;Seria A; Seria B
;Championship final
The championship final was played on 8 June 2013 at Olimpia Stadium in Satu Mare.
''Someșul Cărășeu won the 2012–13 Liga IV Satu Mare County and qualify to promotion play-off in Liga III.''
Vaslui County
;Championship play-offVâlcea County
;North Series; South Series
;Championship play-off
;Semi-finals
;Final
''Hidroelectra Râmnicu Vâlcea won the 2012–13 Liga IV Vâlcea County and qualify to promotion play-off in Liga III.''
Vrancea County
;North Series;South Series
;Championship play-off
The teams started the play-off with bonus points depending on the place occupied in the regular season : 1st place – 6 points, 2nd place – 4 points, 3rd place – 2 point, 4th place – 0 points.
;Championship play-out
The teams started the play-out with bonus points depending on the place occupied in the regular season : 5th place – 6 points, 6th place – 4 points, 7th place – 2 point, 8th place – 0 points.