Cognomen Douangkeo (Douangkeo 
) , around the globe, is a rare surname. The last name Douangkeo is characteristic of Laos, where it is quite a rare surname, Canada, where it is a very rare surname, and Thailand, where it is an extremely rare surname. In absolute terms, this name is the most popular in Laos, the United States, and Thailand. More frequently, Douangkeo is the forename as well as the last name.