Cognomen Jangwang (Jangwang 
, จางวาง ) , all around the world, is a rare family name. The surname Jangwang is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname, and Malaysia, where it is a very rare surname. Much less frequently, Jangwang is the forename as well as the last name.
San, Thunyalak, Thayathit, Kittiwath, Chutipong, Weerasak, Jehabdunloh, Kankawee, Kanoklak, Chayapol, Salaehah, Woraphet, Wiladda, Wannapa, Isarawut, Nitirat, Jittima, Jaruwat, Dee, Mana, Udom, Suwan, Nisan, Wirot, Haruethai, Sumana, Malatee, Sarinna, Supamit, Summana, Pattida, Pitsanu, Norina, and Amaravadee