Family name 海顿 (Haydn 
, Hadden , 海顿 
) , all over the world, is a common last name. The cognomen 海顿 is characteristic of Jersey, where it is quite a common surname, Jamaica, where it is quite a rare surname, and Austria. Not in comparison with a country's population, this name is the most popular in the United States, the United Kingdom, and Canada. Likewise, 海顿 is the forename as well as the last name.