Last name รัตนเชษฐ์ (รัตนเชษฐ์ 
) , around the globe, is a very rare cognomen. The surname รัตนเชษฐ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, รัตนเชษฐ์ is the forename as well as the last name.