Cognomen ดิษฐ์สกุล (ดิษฐ์สกุล 
) , all over the world, is an extremely rare family name. The last name ดิษฐ์สกุล is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, ดิษฐ์สกุล is the forename as well as the last name.