Cognomen Phetkhong (Phetkhong 
) , around the globe, is a rare last name. The surname Phetkhong is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
Jaeo, Pukkhapon, Jakkarin, Nalaphat, Nonthaya, Sirinthip, Supitsara, Sutthipat, Aphichaya, Ritthiben, Jureephan, Thanaphat, Teerachat, Nattaporn, Nannaphat, Chaiyaphon, Duangkamol, Nattharika, Natphatsorn, Naphatsanan, Prasroet, Apichyacha, Wanphen, Natsuda, Sopon, Smith, Kanda, Suthat, Somjai, Ailada, Panita, Pakorn, Pratak, Wacharaphol, Pranom, Wichit, Weawta, Siriluk, Atipong, Atiphon, Chairat, Rattana, Janjira, Jirawat, Rerngbophit, and Phattharaporn