The 1969–70 Divizia C was the 14th season of Liga III, the third tier of the Romanian football league system.
[1] Relegated from Divizia B Promoted from County Championship
Promoted to Divizia B Relegated to County Championship
Medicina Cluj withdrew from Divizia C before the start of the season, instead of them was promoted Dermata Cluj-Napoca.
Unirea Oradea withdrew from Divizia C before the start of the season, instead of them Bradul Vișeu de Sus was spared from relegation.