Last name สัปดาห์ (Week 
, Sapda 
, สัปดาห์ 
) , in all the world, is quite a rare cognomen. The cognomen สัปดาห์ is habitual in Taiwan, where it is quite a rare surname, Kenya, where it is a rare surname, and Myanmar. In absolute terms, the name is most common in India, Indonesia, and Taiwan. Much less frequently, สัปดาห์ is the forename as well as the last name.