Surname 兰金 (兰金 
, Lanjin 
, Rankin 
) , globally, is a common family name. The last name 兰金 is habitual in Cayman Islands, where it is quite a common surname, Jamaica, and Jersey (explore the name in all countries). Measured by absolute frequency, it is commonest in the United States, the United Kingdom, and Australia. Much less frequently, 兰金 is the forename as well as the last name.