1979–80 Divizia C

The 1979–80 Divizia C was the 24th season of Liga III, the third tier of the Romanian football league system.

To Divizia C
Relegated from Divizia B
 * Relon Ceahlăul Piatra Neamț
 * Drobeta Turnu-Severin
 * Mureșul Deva
 * Oltul Sfântu Gheorghe
 * Electroputere Craiova
 * CIL Sighetu Marmației
 * Victoria Tecuci
 * Șantierul Naval Oltenița
 * Victoria Călan
 * Constructorul Iași
 * Chimia Brazi
 * CFR Timișoara

Promoted from County Championship
 * Celuloza Piatra Neamț
 * Textila Buhuși
 * ASA Iași
 * FNC Săhăteni
 * Șantierul Naval Brăila
 * Rapid Fetești
 * Progresul Isaccea
 * Viitorul Chirnogi
 * Danubiana București
 * Electrodul Slatina
 * Petrolul Târgoviște
 * Dunărea Calafat
 * Unirea Drobeta-Turnu Severin
 * CPL Caransebeș
 * Explorări Deva
 * Victoria Elcond Zalău
 * Alumina Oradea
 * Metalul Carei
 * Simared Baia Mare
 * CPL Sebeș
 * Vitrometan Mediaș
 * Faianța Sighișoara
 * Mureșul Toplița
 * Carpați Covasna

From Divizia C
Promoted to Divizia B
 * CS Botoșani
 * Energia Gheorghiu-Dej
 * Unirea Focșani
 * Cimentul Medgidia
 * Mecanică Fină București
 * Flacăra-Automecanica Moreni
 * Pandurii Târgu Jiu
 * Unirea Alba Iulia
 * Strungul Arad
 * Someșul Satu Mare
 * Carpați Mârșa
 * Viitorul Gheorgheni

Relegated to County Championship
 * Tepro Iași
 * Unirea Săveni
 * Aripile Bacău
 * Oituz Târgu Ocna
 * Petrolistul Boldești
 * Metalosport Galați
 * Tractorul Viziru
 * Arrubium Măcin
 * Automecanica București
 * Victoria Lehliu
 * Chimia Găești
 * Cetatea Turnu Măgurele
 * Forestierul Băbeni
 * Constructorul Târgu Jiu
 * ICRAL Timișoara
 * Metalul Hunedoara
 * Minerul Bihor
 * Tehnofrig Cluj-Napoca
 * Rapid Jibou
 * Viitorul Șimleu Silvaniei
 * Inter Sibiu
 * Textila Cisnădie
 * Avântul Măneciu
 * IRA Câmpina

Renamed teams
Electrodul Slatina was renamed as IPC Slatina.

Avântul Urziceni was renamed as Ferom Urziceni.

Azotul Slobozia was renamed as Amonil Slobozia.

Unirea Tricolor Brăila was renamed as Chimia Brăila.

Celuloza Călărași was renamed as Dunărea Călărași.

Unirea Drăgășani was renamed as Viitorul Drăgășani.

Minerul Rovinari was renamed as Metalul Rovinari.

Gloria Drobeta-Turnu Severin was moved from Drobeta-Turnu Severin to Strehaia and was renamed as Gloria Strehaia.

Mureșul Deva was renamed as Minerul Deva.

Alumina Oradea was renamed as Unirea Oradea.

CFR Constructorul Arad was renamed as CFR Arad.

Construcții Montaj Cluj-Napoca was renamed as Construcții Electrometal Cluj-Napoca.

Izvorul Târgu Secuiesc was renamed as Metalul Târgu Secuiesc.

Other changes
Relonul Săvinești took the place of Bradul Roznov.

Automecanica București spared from relegation due to the withdrawal of Unirea Tricolor București