Family name เตี้ยม (Tiam 
, เตี้ยม, Tiamsom 
) , all around the world, is a common cognomen. The last name เตี้ยม is characteristic of Malaysia, where it is quite a common surname, Cameroon, and Lesotho, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in Malaysia, Cameroon, and Philippines. Much less frequently, เตี้ยม is the forename as well as the last name.