Last name Sioh (Sioh 
) , throughout the world, is a rare cognomen. The last name Sioh is characteristic of South-eastern Asia, particularly Malaysia, where it is a rare surname, Singapore, and Indonesia, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in South-eastern Asia, particularly Malaysia, Indonesia, and Philippines. Very seldom, Sioh is the forename as well as the last name.