Surname 德龙 (德龙 
, Delong 
) , all around the world, is a common last name. The surname 德龙 is characteristic of the United States, where it is quite a rare surname, Canada, and Czechia. Not in comparison with a country's population, it is the most numerous in the United States, China, and Canada. More frequently, 德龙 is the forename as well as the last name.