Rules derby
| Other names | The oldest derby The first derby |
|---|---|
| Sport | Football |
| Location | Sheffield |
| Teams | |
| First meeting | 26 December 1860 Hallam 0–2 Sheffield |
| Latest meeting | 21 January 2025 Sheffield & Hallamshire Senior Cup Hallam 2–1 Sheffield |
| Stadiums | Home of Football Stadium (Sheffield) Sandygate (Hallam) |
Rules derby (or Sheffield derby) is a football derby played in Sheffield, England between Sheffield F.C. and Hallam F.C. It was first played on 26 December 1860 and is the oldest football fixture in the world. The name refers to the fact that the fixture was originally played under the Sheffield Rules.