1979–80 County Championship
The 1979–80 County Championship was the 38th 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)
- Cluj (CJ)
- Constanța (CT)
- Covasna (CV)
- Dâmbovița (DB)
- Dolj (DJ)
- Galați (GL)
- 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.- Cetatea Turnu Măgurele
- Rapid Jibou
- Hidroenergia Râmnicu Vâlcea
- FEPA 74 Bârlad
- Viitorul Mahmudia
- Tractorul Viziru
- Mecanizatorul Șimian
- Constructorul Sfântu Gheorghe
Championships standings
Arad County
;Series A;Series B
;Championship final
The matches were played on 4 and 8 June 1980.
''Șoimii Lipova won the Arad County Championship and qualify for [|promotion play-off] in Divizia C.''
Botoșani County
;Series I;Series II
;Championship play-off
Covasna County
;Championship finalThe matches were played on 1 and 7 June 1980.
''Constructorul Sfântu Gheorghe won the Covasna County Championship and qualify for promotion play-off in Divizia C.''
Harghita County
; Series I; Series II
;Championship final
The matches were played on 8 and 15 June 1980.
''Unirea Cristuru Secuiesc won the Harghita County Championship and qualify for promotion play-off in Divizia C.''