Last name 海尼 (Heini 
, Haynie 
, 海尼 
) , all around the world, is quite a common surname. The last name 海尼 is characteristic of Switzerland, where it is quite a rare surname, the United States, and Finland. Measured by absolute frequency, this name is the most popular in the United States, Switzerland, and the United Kingdom. Also, 海尼 is the forename as well as the last name.