The 1972–73 Divizia C was the 17th 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
ITA Pașcani was moved from Pașcani to Iași and was renamed as ITA Iași.
Foresta Susenii Bârgăului was moved from Susenii Bârgăului to Bistrița and was renamed as Foresta Bistrița.