The 2004–05 Divizia C was the 49th season of Liga III, the third tier of the Romanian football league system.
Victoria Muntenii de Jos and Viitorul Hârlău sold their place.
Steaua București II bought the place of Mobexpert Ștefănești.
CSM Medgidia sold its Divizia B place to Liberty Salonta.
Metalul Plopeni sold its Divizia B place to Dinamo București II.