Surname Doungduan (Doungduan 
) , in all the world, is an extremely rare last name. Much more frequently, Doungduan is the forename as well as the last name.
Han, Yutthakosa, Narataruksa, Bualakaeo, Sangpetch, Nokinsee, Ninlasart, Taesakul, Jumpangoen, Jaisamer, Runtakit, Rattisuwan, Khadsaming, Kasemrat, Pankong, Kunchum, Boonsri, Sanchai, Mokhiaw, Maiphun, Mankong, Nuanta, Pavong, Kitiso, Suelai, Samart, Sanjai, Isara, Chantasureeyavich, and Kaewduangsaeng