>
Cognomen Denn (德恩 , เดน , Denn ) , worldwide, is quite a rare surname. The last name Denn is habitual in Ireland, where it is quite a rare surname, Romania, where it is a rare surname, and the United States. In absolute terms, it most frequently occurs in China, the United States, and Indonesia. More frequently, Denn is the forename as well as the last name.