Surname Сугияма (Ai 
, Sugiyama 
, Сугияма 
) , across the world, is a widespread last name. The family name Сугияма is characteristic of Malaysia, where it is quite a common surname, Macao, and China (explore the name in all countries). In absolute terms, it is the most numerous in China, Malaysia, and Indonesia. Also, Сугияма is the forename as well as the last name.