Surname Duangsang (Duangsang 
) , around the world, is a rare family name. The cognomen Duangsang is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, Duangsang is the forename as well as the last name.
Sam, Samniang, Sirikuan, Suvannee, Kanittha, Phiravit, Jarintorn, Napatsai, Nichanan, Wittawat, Acharaporn, Kanokporn, Prapairat, Rattikarn, Watcharin, Prapatsorn, Sangkeaw, Pornpailin, Sangkham, Nattaya, Mali, Luea, Payom, Thiti, Hirun, Udorn, Manita, Suampa, Bangon, Paisit, Sirinya, Chalisa, Kannika, Detchai, Datchai, Wantana, and Atcharaporn