Cognomen Thanong (ทนง 
, ทนงค์ , Thanong 
) , globally, is a rare family name. The surname Thanong is habitual in Thailand, where it is a rare surname, New Zealand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much more prevalently, Thanong is the forename as well as the last name.
Tasai, Thitinan, Wansukprasert, Yaemjamuang, Yookhong, Mathavorn, Sutthachai, Chantarudee, Chanpanich, Chatuthai, Leelaprachakul, Thuraphat, Veerasaengpong, Chotisorayuth, Kamlangmak, Thampiratwong, Thongduang, Narawitseree, Sirintrawuttiwong, Chaleunsouk, Ruangrongpanya, Pongtheerawat, Janmanee, Phengmak, Phaipanya, Promkaew, Biltae, Kunsen, Thawai, Thasri, Thomya, Nilash, Suebkaew, Srithan, Chat Uthai, Kalalop, Wiriyasahakit, Phomson, Phesprasert, Nuikaeo, Yongsue, Somthong, Srisuwan, Sriyhanyarat, Charnvinittarworn, Chomkwan, Khemakul, Kwanparn, Phueaouan, and Thongpradabped