Cognomen Niyakorn (Niyakorn 
) , in the entire world, is a very rare last name. The cognomen Niyakorn is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. More prevalently, Niyakorn is the forename as well as the last name.
Tasee, Aonbamrung, Kotham, Nounja, Onbumrung, Kongsri, Khamlai, Kuchana, Sithisan, Yingyong, Srimangkla, Chanthawong, Chanthauaong, Chaloemchart, Phuangmathet, and Thiangchanthuek