The 1977–78 West Midlands (Regional) League season was the 78th 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.
| Competition: | West Midlands League Premier Division |
| Season: | 1977–78 |
| Winners: | Hednesford Town |
| Promoted: | Alvechurch |
| Relegated: | Staffordshire Police |
| Matches: | 342 |
| Total Goals: | 1012 |
| Prevseason: | 1976–77 |
| Nextseason: | 1978–79 |
The Premier Division featured 19 clubs which competed in the division last season, no new clubs joined the Premier Division this season.