Family name Генден (Genden 
, Генден 
) , around the world, is a rare cognomen. The last name Генден is characteristic of Mongolia, where it is quite a common surname, Japan, where it is a rare surname, and the United States, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Mongolia, Japan, and India. Likewise, Генден is the forename as well as the last name.