Family name สดับ (Sadap 
, สดับ ) , around the world, is a rare cognomen. The last name สดับ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname, Malaysia, where it is a very rare surname, and Indonesia. Measured by absolute frequency, this name is the most popular in India, Indonesia, and Thailand. Likewise, สดับ is the forename as well as the last name.