Cognomen Niwes (นิเวศน์ 
, นิเวศ , Niwes 
) , throughout the world, is a rare last name. The cognomen Niwes is habitual in Thailand, where it is a rare surname, and Argentina, where it is a very rare surname. Much more frequently, Niwes is the forename as well as the last name.
Sata, Kangwansupapane, Soontornpakdee, Suthamnatpong, Rungrueang, Kanthasamy, Nantachit, Tipboonchu, Phuangchan, Kaewkamkum, Muangplub, Ramseier, Khrueafu, Khutanon, Kaewtawee, Bunraksa, Sirichai, Sakultem, Phongoen, Peandach, Buakhom, Boonvit, Arjharn, Saechen, Inkham, Schult, Sihkotraboon, Gallo, Phancharoenworakul, and Chalermsuksant