The 1970–71 County Championship was the 29th season of the Liga IV, the fourth tier of the Romanian football league system.
The champions of each county association promoted to Divizia C without promotion play-off.
The promotion play-off was not held this season, due to the expansion of Divizia C from next season, from eight series with 16 teams to twelve series of 14 teams.
The matches was played on 6 and 13 June 1971.
Progresul Băilești won the Dolj County Championship and promoted to Divizia C. Sporting Roșiori won the Teleorman County Championship and promoted to Divizia C.