Cognomen Jamras (Jamras 
, จำรัส) , in all the world, is a rare family name. The last name Jamras is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. More prevalently, Jamras is the forename as well as the last name.
Lam, Janpibool, Nathabut, Nochaiwong, Maneechot, Singthong, Seekakaew, Srichumpu, Khamdaeng, Pakdeemai, Phanomrat, Phinansottikul, Phonphuak, Jamrassamee, Tasanalawat, Wisetphan, Wongsawat, Komoncharoensir, Piratrakul, Thipbamrong, Wangdeepholngam, Tangnorakul, Prompakdee, Kaewkalong, Bubpasak, Bunruang, Yanu, Muagthong, Jumpa, Wanno, Umong, Saitip, Saosuwan, Kamjai, Promsu, Daburt, Wongthanachai, Na Wayo, Launpan, Lerdsri, Hammint, Hemvong, Sarakwan, Sintamronglux, Senjuntichai, Somsaard, Chathong, Boonsong, Kongsuk, and Kanchanapiboon