Derby \d(e)-rby, der-by\ as a boy's name is of Old English origin, and the meaning of Derby is "park with deer". Place name. Variant spelling of Darby. Also the name of a hat with a hard round crown, and America's most famous horse, the Kentucky Derby. The race got its name from the English Derby, which was instituted by the Earl of Derby in 1780.

Derby has 2 variant forms: Derbey and Derbie.

Baby names that sound like Derby are Darbey, Darbie and Turbo.