Family name Накаяма (仲山 
, Nakayama 
, Накаяма 
) , throughout the world, is quite a common cognomen. The cognomen Накаяма is characteristic of Paraguay, where it is quite a rare surname, Japan, and Singapore, where it is a rare surname. In absolute terms, this name is the most popular in Japan, Brazil, and the United States. Likewise, Накаяма is the forename as well as the last name.