Surname 洛肯 (Loken 
, Locken 
, Lokken 
) , all around the world, is quite a common family name. The surname 洛肯 is characteristic of Norway, where it is quite a common surname, Netherlands, where it is quite a rare surname, and the United States, where it is a rare surname. Measured by absolute frequency, this name is the most popular in the United States, India, and Norway. Much less frequently, 洛肯 is the forename as well as the last name.