Cognomen Janyarat (Janyarat 
) , around the globe, is a very rare family name. The family name Janyarat is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, Janyarat is the forename as well as the last name.
Ponoi, Norasarn, Noikamon, Hiranrat, Waiyarat, Mungchomklang, Singhchai, Jadjangjaroenkoon, Chanmanee, Kaewpankhan, Praditthum, Ploychang, Wongjakkham, Khongpiboonkit, Techapakapong, Chaiyapet, Ruamtham, Phakakayai, Pansomboon, Oksri, Sariya, Senbat, Kerrod, Tabket, Tapket, Tengwa, Hunrumpoo, Sadukkham, Saejong, Khamwan, Phongen, Hammara, Hemmara, Hemmaya, Nawatrakulpisut, and Phrueksanant