Cognomen Plianthaisong (Plianthaisong 
) , in the entire world, is a very rare family name. The family name Plianthaisong is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
Onnida, Wanida, Sarawut, Trunyatorn, Ornnida, Phalakon, Duangchan, and Nuengruthai