The 1977–78 Divizia C was the 22nd season of Liga III, the third tier of the Romanian football league system.
[1][2] Relegated from Divizia B Promoted from County Championship Promoted to Divizia B Relegated to County Championship
Unirea Sfântu Gheorghe was renamed as CPL Sfântu Gheorghe.
Laminorul Teliuc was renamed as Metalul Hunedoara.
Unirea Siret took the place of Progresul Fălticeni.