Cognomen Катаяма (Katayama 
, Katajama 
, Катаяма 
) , around the world, is quite a rare family name. The family name Катаяма is characteristic of Israel, where it is a rare surname, Hong Kong, and Singapore. Measured by absolute frequency, it most frequently occurs in Brazil, Japan, and the United States. Much less frequently, Катаяма is the forename as well as the last name.