Cognomen Jantrarat (Jantrarat 
) , throughout the world, is a very rare family name. The surname Jantrarat is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, Jantrarat is the forename as well as the last name.
Supajit, Jantaratippaluk, Kaewsomboon, Wutthichai, Ratanaloeskul, Piyaworrasart, Pitakboonkate, Panchadchawan, Wuttichai, Tangchootakul, Lerdwimonsiri, Panichnava, Yavichaichularp, Nualkaew, Pantawan, Sriyanai, Somnuekbuatakorn, Thaskul, Jongjit, Laoweerakul, and Boonmeeprasert