The 1969–70 County Championship was the 28th season of the Liga IV, the fourth tier of the Romanian football league system.
The champions of each county association play against one from a neighboring county in a play-off to gain promotion to Divizia C. The matches were played on 12, 19 and 22 July 1970.
The matches were played on 26, 29 July and 2 August 1970.
The matches were played on 31 May and 7 June 1970.
Autorapid Craiova won the Dolj County Championship and qualify to promotion play-off in Divizia C.