Last name 건 (Gun 
, Gunn , Geon ) , in all the world, is a common family name. The surname 건 is habitual in Malaysia, where it is quite a common surname, New Zealand, and Australia (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in the United States, the United Kingdom, and Indonesia. Likewise, 건 is the forename as well as the last name.