>
Surname 木山 (Mushan
, 木山
, Кояма
) , in all the world, is quite a rare last name. The family name 木山 is characteristic of Bahrain, where it is a rare surname, Australia, and India, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in India, China, and Pakistan. More frequently, 木山 is the forename as well as the last name.