Family name 海蘭 (Hyland 
, 海蘭 
, Heelan ) , worldwide, is a common cognomen. The last name 海蘭 is characteristic of Ireland, where it is quite a common surname, Australia, where it is quite a rare surname, and New Zealand. Not in comparison with a country's population, it most frequently occurs in the United States, the United Kingdom, and Ireland. Much less frequently, 海蘭 is the forename as well as the last name.