Last name Waiyarat (Waiyarat 
, ไวยารัตน์ ) , all around the world, is a rare family name. The last name Waiyarat is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, Waiyarat is the forename as well as the last name.
Kanya, Rinmanat, Janyarat, Jiraporn, Thanawan, Nuchanat, Sabainang, Sonthinee, Kritsada, Chaiyapon, Tikamporn, Nantachat, Chamaiporn, Chaiyaporn, Thanyathon, Natthidaphat, Weerachoke, Thanachai, Prasittichai, Kawitsara, Wichian, Tawan, Uthai, Adjima, Phurin, Nathir, Natima, Sivinee, Yuwanda, Suwimol, Somchai, Anupong, Kunasin, Promhan, Phontip, Thavorn, Natapon, Somthip, and Thanyathonn