Family name เอกกนิษฐ์ (Aekkanit 
, Eakanit , เอกกนิษฐ์ ) , globally, is a very rare cognomen. The last name เอกกนิษฐ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, เอกกนิษฐ์ is the forename as well as the last name.