The de Ville was originally a trim level and later a model of General Motors

General Motors

General Motors Company , commonly known as GM, formerly incorporated as General Motors Corporation, is an American multinational automotive corporation headquartered in Detroit, Michigan and the world's second-largest automaker in 2010...

' Cadillac

Cadillac

Cadillac is an American luxury vehicle marque owned by General Motors . Cadillac vehicles are sold in over 50 countries and territories, but mostly in North America. Cadillac is currently the second oldest American automobile manufacturer behind fellow GM marque Buick and is among the oldest...

 marque. The first car to bear the name was the 1949 Coupe de Ville

Cadillac Coupe de Ville

The Coupe de Ville was a model of the Cadillac marque of General Motors from 1949 through 1993.- Early History :The name "de Ville" is from the French de la ville or de ville meaning "of the town"...

, a prestige trim level of the Series 62 luxury coupe. The last model to be formally known as a de Ville was the 2005 Cadillac Deville, a full-size sedan, the largest car in the Cadillac model range at the time. The next year, the Deville was officially renamed DTS (an abbreviation standing for Deville Touring Sedan, itself a trim level on earlier models).
The name "de Ville" is from the French de la ville or de ville meaning "of the town".