Cognomen Leethong (Leethong 
) , throughout the world, is a rare family name. The family name Leethong is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
Metta, Chonmanee, Kongkwan, Kunyavee, Panupong, Pawarisa, Petchara, Janjuree, Jittinan, Chiraporn, Thongchai, Teeradate, Chatchawan, Chuenkamol, Premruedee, Phonthippha, Supannee, Natthaporn, Meathinee, Nuanpen, Jaran, Somjit, Somviang, Kampon, Erawan, Sanjita, Surasan, Surasit, Chalita, Paweena, Peelada, Dowmanee, Leelada, Nawapol, Nichapa, Nuanwan, and Suratsawadee