Family name Phetnoi (Phetnoi 
) , globally, is a rare cognomen. The cognomen Phetnoi is habitual in Thailand, where it is a rare surname, Malaysia, where it is an extremely rare surname, and the United States. Very seldom, Phetnoi is the forename as well as the last name.
Mali, Chanphen, Kongkrit, Pollawat, Phirawat, Ploylaphat, Jurairat, Thanadet, Naruemol, Nantanat, Napapatch, Siraprapa, Supphakan, Chaowalit, Chawankron, Chawankorn, Bunrueang, Kittikorn, Rattapong, Rapeephat, Watcharin, Chatsaneeya, Supakorn, Wollawat, Witanee, Waewtien, Tima, Amnat, Naree, Nicky, Uthai, Sinual, Somjit, Padith, Johnny, Natcha, Parinyanuch, Others, Siwakon, Suntorn, Sukalya, Somgkith, Chawisa, Butsaba, Phiraya, Rattiya, Nathcha, Warunee, Mothaya, and Natthaphong