Cognomen สมดี (สมดี 
, Somdi 
, Samdi 
) , globally, is quite a rare surname. The family name สมดี is characteristic of Thailand, where it is quite a rare surname, Morocco, where it is a rare surname, and Malaysia. Measured by absolute frequency, it is commonest in Thailand, Morocco, and India. Also, สมดี is the forename as well as the last name.