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. At the end of the season, the winners of the series promoted to Divizia A and the last three places from all the series relegated to Divizia C.

Team changes

To Divizia B

Promoted from Divizia C Relegated from Divizia A

From Divizia B

Relegated to Divizia C Promoted to Divizia A

Note (**)

CSM Medgidia sold its Divizia B place to Liberty Salonta. Metalul Plopeni sold its Divizia B place to Dinamo II București.

Renamed teams

Electrica Constanța was renamed as Altay Constanța. Electromagnetica București was renamed as Rapid II București. FC Craiova was moved from Craiova to Caracal and renamed as FC Caracal.

League tables

Seria I

Seria II

Seria III

Top scorers