1980–81 County Championship
The 1980–81 County Championship was the 39th 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 to gain promotion to Divizia C.
County championships
- 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
Teams promoted to Divizia C without a play-off matches as teams from less represented counties in the third division.- Chimia Tășnad
- Silvania Cehu Silvaniei
- Chimia Buzău
- Metalul Huși
- Autobuzul Făurei
- Petrolul Roata de Jos
- Metalul Sfântu Gheorghe
Championships standings
Botoșani County
;Series I;Series II
;Championship final
''Unirea Săveni won the Botoșani County Championship and qualify for [|promotion play-off] in Divizia C.''
Caraș-Severin County
;Series I;Series II
;Championship final
''ICM Caransebeș won the Caraș-Severin County Championship and qualify for promotion play-off in Divizia C.''
Olt County
;North Series;South Series
;Championship final
''Victoria Caracal won the Olt County Championship and qualify for promotion play-off in Divizia C.''