Family name 奎伦 (奎伦 
, Quillen 
) , in the entire world, is quite a common cognomen. The surname 奎伦 is habitual in the United States, where it is quite a rare surname, the Dominican Republic, where it is a rare surname, and New Zealand. Measured by absolute frequency, it is the most numerous in the United States, Canada, and the Dominican Republic. Much less frequently, 奎伦 is the forename as well as the last name.