Last name แจ่มฤทธิ์ (Jamrit 
, แจ่มฤทธิ์) , around the world, is a very rare cognomen. The cognomen แจ่มฤทธิ์ is habitual in South-eastern Asia, particularly Malaysia, where it is a very rare surname, and Thailand, where it is an extremely rare surname. More frequently, แจ่มฤทธิ์ is the forename as well as the last name.