Last name 罗根 (Logan 
, Rogan , 罗根 
) , across the world, is a widespread cognomen. The surname 罗根 is habitual in Isle of Man, where it is quite a common surname, Belize, and Jamaica (explore the name in all countries). Measured by absolute frequency, it is commonest in the United States, the United Kingdom, and Australia. Likewise, 罗根 is the forename as well as the last name.