The 1978–79 Divizia C was the 23rd season of Liga III, the third tier of the Romanian football league system.
Team changes
To Divizia C
Relegated from Divizia B
CFR Pașcani
Celuloza Călărași
Minerul Lupeni
CSU Galați
Carpați Sinaia
Armătura Zalău
CS Botoșani
Pandurii Târgu Jiu
Victoria Carei
Relonul Săvinești
Prahova Ploiești
Avântul Reghin
Promoted from County Championship
Unirea Săveni
Danubiana Roman
Hușana Huși
Carpați Nehoiu
Metalosport Galați
Voința Constanța
Tractorul Viziru
Arrubium Măcin
Unirea Bolintin-Vale
Vâscoza București
Dinamo Alexandria
Răsăritul Caracal
Gloria Drobeta-Turnu Severin
Bistrița Băbeni
CIL Blaj
ICRAL Timișoara
Tricolorul Beiuș
Victoria Ineu
Silvicultorul Maieru
Viitorul Șimleu Silvaniei
Construcții Sibiu
Sticla Târnaveni
Izvorul Biborțeni
Mobila Măgura Codlea
From Divizia C
Promoted to Divizia B
Minerul Gura Humorului
Constructorul Iași
Progresul Brăila
Chimia Brazi
Șantierul Naval Oltenița
Viitorul Scornicești
Drobeta-Turnu Severin
Minerul Anina
Înfrățirea Oradea
Minerul Cavnic
Poiana Câmpina
Industria Sârmei Câmpia Turzii
Relegated to County Championship
ITA Piatra Neamț
Unirea Siret
Flacăra Murgeni
Petrolistul Dărmănești
Autobuzul Făurei
Minerul Măcin
Petrolul Teleajen Ploiești
Victoria Florești
Șoimii Tarom București
IOR București
Electrodul Slatina
Petrolul Târgoviște
Unirea Drobeta-Turnu Severin
Mecanizatorul Șimian
IM Orăștie
Nera Bozovici
Gloria Arad
Voința Carei
CIL Gherla
Dermata Cluj-Napoca
Metalul Târgu Secuiesc
CPL Sfântu Gheorghe
Constructorul Alba Iulia
Soda Ocna Mureș
Renamed teams
Luceafărul Focșani was moved from Focșani to Adjud and was renamed as Luceafărul Adjud.
Unirea Bolintin-Vale was renamed as Petrolul Bolintin-Vale.
Automobilul Curtea de Argeș was renamed as Electronistul Curtea de Argeș.
Bistrița Băbeni was renamed as Forestierul Băbeni.
IUPS Miercurea Ciuc was renamed as Tractorul Miercurea Ciuc.
Izvorul Biborțeni and Metalul Târgu Secuiesc merged, the first one being absorbed by the second one and was renamed as Izvorul Târgu Secuiesc.
Constructorul Arad merged with CFR Arad, the first one being absorbed by the second one and was renamed as CFR Constructorul Arad.
Other changes
Relonul Săvinești was replaced by IM Piatra Neamț.
Luceafărul I București and Luceafărul II București were teams of juniors training center of Romanian Football Federation and was enrolled directly in the third tier.