Surname Brūn (Bruno 
, Braun , Brūn) , globally, is a widespread family name. The family name Brūn is habitual in Dominica, where it is a common surname, Germany, and Liechtenstein (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Germany, Italy, and the United States. More frequently, Brūn is the forename as well as the last name.