Last name Klio (Klio 
, Κλειώ , Клио 
) , in the world, is a rare cognomen. The last name Klio is characteristic of Lithuania, where it is a rare surname, Algeria, and Georgia, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Algeria, China, and Lithuania. More prevalently, Klio is the forename as well as the last name.