Surname เยาวฤทธิ์ (เยาวฤทธิ์ 
) , around the world, is a very rare cognomen. The last name เยาวฤทธิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, เยาวฤทธิ์ is the forename as well as the last name.