The 1966–67 Regional Championship was the 25th season of the Liga IV, the fourth tier of the Romanian football league system.
[1] Metalul Pitești won the Argeș Regional Championship and qualify to promotion play-off in Divizia C. UM Timișoara won the Banat Regional Championship and qualify to promotion play-off in Divizia C. The matches were played on 28 May and 4 June 1967.
TUG București won the Bucharest Municipal Championship and qualify to promotion play-off in Divizia C.[6] Chimia Turnu Măgurele won the Bucharest Regional Championship and qualify to promotion play-off in Divizia C. The matches were played on 28 May and 4 June 1967.
Gloria Bistrița won the Cluj Regional Championship and qualify to promotion play-off in Divizia C. Voința Oradea won the Crișana Regional Championship and qualify to promotion play-off in Divizia C. Unio Satu Mare won the Maramureș Regional Championship and qualify to promotion play-off in Divizia C. The matches were played on 3 and 11 June 1967.
Minerul Motru won the Oltenia Regional Championship and qualify to promotion play-off in Divizia C. The matches were played on 4, 11 and 18 June 1967.