| Tournament details | |
|---|---|
| Venue(s) | Crystal Centre in Grande Prairie, Alberta |
| Dates | May 8, 2004 – May 16, 2004 |
| Teams | 5 |
| Final positions | |
Champions  | Aurora Tigers (1st title) |
Runner-up  | Kindersley Klippers |
| Tournament statistics | |
| Games played | 13 |
| Scoring leader(s) | Josh Welter (Grande Prairie) |
| MVP | Kevin Dziaduck (Kindersley) |
The 2004 Royal Bank Cup was the 34th Junior "A" 2004 ice hockey National Championship for the Canadian Junior A Hockey League.
The Royal Bank Cup was competed for by the winners of the Doyle Cup, Anavet Cup, Dudley Hewitt Cup, the Fred Page Cup and a host city.
The tournament was hosted by the Grande Prairie Storm in Grande Prairie, Alberta.