| Tourney Name: | CERS Cup |
| Year: | 2004–05 |
| Dates: | 4 December 2004 – 30 April 2005 |
| Num Teams: | 22 |
| Associations: | 5 |
| Champion Other: |  Follonica |
| Count: | 1 |
| Second Other: | Bassano |
| Prevseason: | 2003–04 |
| Nextseason: | 2005–06 |
The 2004–05 CERS Cup was the 25th season of the CERS Cup, Europe's second club roller hockey competition organized by CERH. 22 teams from five national associations qualified for the competition as a result of their respective national league placing in the previous season. Following a preliminary phase and four knockout rounds, Follonica won its first title.
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