Cognomen Janthasri (Janthasri 
) , in the entire world, is a rare last name. The surname Janthasri is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
Mali, Phongsawat, Sasiprapha, Nichaphat, Ladamanee, Kanokporn, Chaninwat, Acharaporn, Sittichok, Warittha, Naruemol, Piyachat, Chaianan, Chanthip, Amornrat, Suchakan, Santhong, Udomsak, Nont, Wanee, Panida, Prasit, Orawan, Yothin, Phutthaporn, Sirirat, Sompong, Somkhit, Kaninpat, Pichada, Rangsee, Wilawan, Suriyan, and Thalerngsak