Globally, Petnoi (Petnoi 
) is an extremely rare female first name. Predominantly, Petnoi is the last name as well as the forename.
Surat, Teerakorn, Napatporn, Kanokporn, Kraingkrai, Panathorn, Preedaporn, Pimonpan, Promphong, Watcharee, Chananthorn, Chanchanok, Laksanaree, Wanatsanan, Krittanakorn, Thanidtha, Pangpakorn, Panatorn, Sittidet, Prapon, Ponpan, Nitcha, Sarawut, Chalaem, Chahwiwan, Panudech, Pairote, Pavanee, Porntap, Jenjira, Jintana, Sataporn, Siriporn, Sittisak, Kritthanakorn, and Phitchayaphat