Family name Banyawat (Banyawat 
, บัญญวัต , บัญญวัฒน์ ) , all over the world, is an extremely rare cognomen. The cognomen Banyawat is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, Banyawat is the forename as well as the last name.
Saejo, Chaiklang, Kaewsamer, Piamchitmet, Phakapatsapong, Dechasetthadanont, Thongkeaw, Nachiangmai, Ariyawong, Wongsomboon, Pangsrisan, Puntharikphak, Jakkawanpitak, Thepprapak, Sunthornlohanakun, Songmueangkaen, Pattanachakhon, Borwonpakkharabun, Sarnchaipinyo, Wongngam, Tuntrairat, Jujai, Onrak, Upano, Heemnim, Yotyaim, Yotyiam, Yotyim, Chomkan, Khamjan, Techato, Mingmuang, Buathong, Kamsawat, Peangsrisarn, Rojsuwan, Jantamas, Triyakul, Thanarungpailin, and Thongboonchu