Family name Yangngam (Yangngam 
) , globally, is a rare surname. The cognomen Yangngam is characteristic of Thailand, where it is a rare surname, Malaysia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Yangngam is the forename as well as the last name.
Kwan, Wannika, Surinton, Supannida, Supaporn, Supachai, Sudchaodee, Arissara, Bunnaporn, Kittisak, Rarintorn, Rinthong, Jatuporn, Narissra, Vitsawat, Vijittra, Wijittra, Yupaporn, Suphachai, Phonchanok, Thongchai, Nutthanun, Ekachut, Wimolphat, Natvara, Jankana, Suwan, Botan, Rapee, Oraya, Onjit, Wasan, Kampol, Palida, Pamorn, Vasana, Warisa, Wiwath, Mongkol, Siripim, Sirirat, Sirirot, Sippothai, Siwanat, Suralee, Kitisak, Ployjun, Julalak, and Thawatchai