Australia
- Derby, Local Government Area ofWestern Australia
- Derby, Local Government Area of the Tasmania
Italy
- Derby, part of the municipality of La Salle, Valle d'Aosta
UK
- Derby, capital of Derbyshire
United States of America
- Derby, census-designated place in Adams County, Colorado
- Derby, a city in New Haven County, Connecticut
- Derby, a city in Lucas County, Iowa
- Derby, a town in County Sedgwick, Kansas
- Derby, city in Orleans County, Vermont
South Africa
- Derby, city of the local municipality of Kgetlengrivier