The 2004–05 West Midlands (Regional) League season was the 105th in the history of the West Midlands (Regional) League, an English association football competition for semi-professional and amateur teams based in the West Midlands county, Shropshire, Herefordshire, Worcestershire and southern Staffordshire. It has three divisions, the highest of which is the Premier Division, which sits at step 6 of the National League System, or the tenth level of the overall English football league system.
| Competition: | West Midlands League Premier Division |
| Season: | 2004–05 |
| Winners: | Tipton Town |
| Promoted: | Tipton Town |
| Matches: | 380 |
| Total Goals: | 1328 |
| Prevseason: | 2003–04 |
| Nextseason: | 2005–06 |
The Premier Division featured 18 clubs which competed in the division last season, along with three new clubs: