Family name Prasertwong (Prasertwong 
, ประเสริฐวงศ์ ) , across the world, is a rare cognomen. The family name Prasertwong is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
Kay, Sarunyoo, Sahadsaya, Siriladda, Benyapar, Kanmanee, Kridthad, Pitchaya, Pimkamol, Rungnapa, Rumpaporn, Jilamika, Thitinut, Napaporn, Noppadol, Songsawan, Kalayanee, Kunchalee, Patthawan, Thammarat, Wipathip, Porntip, Prapada, Paradee, Uri, Yada, Amarin, Amporn, Pannee, Pakorn, Pethai, Phutip, Nikhom, Netchanok, Neatit, Wiwanya, Moragot, Sarawut, Sirirat, Suwijak, Suchada, Sojarin, Benyapa, Komkrit, Vipayee, and Chantharakarn