2016–17 Liga IV
The 2016–17 Liga IV was the 75th season of Liga IV and the 49th since the 1968 administrative and territorial reorganization of the country, representing the fourth tier of the Romanian football league system. The champions of each county association played against one from a neighbouring county in a play-off for promotion to Liga III.
County leagues
- Alba (AB)
- Arad (AR)
- Argeș (AG)
- Bacău (BC)
- Bihor (BH)
- Bistrița-Năsăud (BN)
- Botoșani (BT)
- Brașov (BV)
- Brăila (BR)
- Bucharest (B)
- Buzău (BZ)
- Caraș-Severin (CS)
- Călărași (CL)
- Cluj (CJ)
- Constanța (CT)
- Covasna (CV)
- Dâmbovița (DB)
- Dolj (DJ)
- Galați (GL)
- Giurgiu (GR)
- Gorj (GJ)
- Harghita (HR)
- Hunedoara (HD)
- Ialomița (IL)
- Iași (IS)
- Ilfov (IF)
- Maramureș (MM)
- Mehedinți (MH)
- Mureș (MS)
- Neamț (NT)
- Olt (OT)
- Prahova (PH)
- Satu Mare (SM)
- Sălaj (SJ)
- Sibiu (SB)
- Suceava (SV)
- Teleorman (TR)
- Timiș (TM)
- Tulcea (TL)
- Vaslui (VS)
- Vâlcea (VL)
- Vrancea (VN)
Promotion play-off
The matches were played on 17 and 24 June 2017.League standings
Alba County
Team changes from the previous season- Mureșul Vințu de Jos achieved promotion to Liga III.
- Fortuna Lunca Mureșului and Sportul Petrești were promoted from Liga V Alba.
- Industria Galda II from Liga V Alba declined promotion.
- Cuprirom Abrud was relegated to Liga V Alba.
- Euro Șpring and ASC Pianu 2013 withdrew.
- Energia Săsciori and Gaz Metan Valea Lungă were spared from relegation.
- Transalpina Șugag was admitted upon request.
- Unirea Alba Iulia was admitted upon request to Liga III.
Brăila County
;Championship play-offThe teams started the championship play-off with half of the points accumulated in the regular season.
;Championship play-out
The teams started the championship play-out with half of the points accumulated in the regular season.
Bucharest
;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.
Buzău County
;Promotion/relegation play-offThe 14th of Liga IV Buzău County faces the 2nd-placed teams in the two series of Liga V Buzău County.
Dolj County
;Championship play-offTeams started the play-off with their points from the Regular season halved, rounded upwards, and no other records carried over from the Regular season.
;Championship play-out
Teams started the play-out with their points from the Regular season halved, rounded upwards, and no other records carried over from the Regular season.
Giurgiu County
;South Series;North Series
;Championship play-off
The championship play-off played between the best two ranked teams in each series of the regular season. All matches were played at Comunal Stadium in Izvoarele on 6 and 7 June 2017 the semi-finals and on 10 June 2017 the final.
;Semi-finals
;Final
''Dunărea Giurgiu won the 2016–17 Liga IV Giurgiu County and qualify to [|promotion play-off] in Liga III.''
Harghita County
;Championship play-offThe teams start ed the play-off with half of the points accumulated in the regular season.
;Play-off
The teams start ed the play-off with half of the points accumulated in the regular season.
;Relegation play-out
The teams start ed the play-out with half of the points accumulated in the regular season.
Ilfov County
;Seria 1;Seria 2
;Championship final
''Voința Crevedia II won the 2016–17 Liga IV Ilfov County and qualify to promotion play-off in Liga III.''
Maramureș County
;North Series;South Series
;Championship final
The championship final was played on 10 June 2017 at Viorel Mateianu Stadium in Baia Mare.
''Lăpușul Târgu Lăpuș won the 2016–17 Liga IV Maramureș County and qualify to promotion play-off in Liga III.''
Mehedinți County
;Championship play-offThe teams started the play-off with half of the points accumulated in the regular season.
;Championship play-out
The teams started the play-out with half of the points accumulated in the regular season.
Neamț 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.
All matches were played at Bradul Stadium from Roznov.
Timiș County
Tulcea County
;Series A;Series B
;Championship play-off
;Semi-finals
The 1st leg matches were played on 21 May, and the 2nd leg on 28 May and 4 June 2017.
Vaslui County
;Championship play-offVâlcea County
;Relegation play-offThe 9th and 10th-placed teams of Liga IV Vâlcea faces the 2nd-placed teams in the two series of Liga V Vâlcea.