The 1983–84 County Championship was the 42nd season of the Liga IV, the fourth tier of the Romanian football league system.
Motorul Arad won the Arad County Championship and qualify for promotion play-off in Divizia C. The matches was played on 7 and 10 June 1984.
CFR Simeria won the Hunedoara County Championship and qualify for promotion play-off in Divizia C. The championship final was played on 10 June 1984 at Comunal Stadium in Seini.
IS Sighetu Marmației won the Maramureș County Championship and qualify to promotion play-off in Divizia C. The match was played on 10 June 1984 at 23 August Stadium in Zalău.
Izolatorul Armătura Șimleu Silvaniei won the Sălaj County Championship and qualify to promotion play-off in Divizia C.[10]