Cognomen Yanglang (Yanglang 
) , in the world, is a rare last name. The cognomen Yanglang is habitual in Thailand, where it is a rare surname, and Chile, where it is an extremely rare surname. Much less frequently, Yanglang is the forename as well as the last name.
Suda, Pathompron, Chainarong, Chanyaphak, Khawinwat, Yodsapon, Waraporn, Nantakon, Teerawat, Prissana, Paphawin, Kawinwat, Chutiporn, Chantana, Natthapong, Ariyawat, Surattaya, Wiphada, Nathorn, Pongsak, Papawin, Chutima, Supawach, Rujapa, Ruedee, Asymawi, Malisa, Napat, Arat, Somching, and Rattanaporn