The 2004–05 Divizia B was the 65th season of the second tier of the Romanian football league system.
The format has been maintained to three series, each of them consisting of 16 teams.
CSM Medgidia sold its Divizia B place to Liberty Salonta.
Metalul Plopeni sold its Divizia B place to Dinamo II București.
FC Craiova was moved from Craiova to Caracal and renamed as FC Caracal.