The 1988–89 Divizia C was the 33rd season of Liga III, the third tier of the Romanian football league system.
[1] The format has been maintained to twelve series, each of them having 16 teams.
At the end of the season the winners of the series promoted to Divizia B and the last two places from each series relegated to County Championship.
[2] Relegated from Divizia B Promoted from County Championship Promoted to Divizia B Relegated to County Championship
Autobuzul Laminorul Focșani moved to Odobești and was renamed as Autobuzul Voința Odobești.
Dacia Metalul Râmnicu Vâlcea moved to Călimănești and was renamed as Dacia Cozia Călimănești.