Family name Itaru (至 
, 到 , Itaru 
) , in all the world, is a common surname. The family name Itaru is habitual in Cyprus, where it is quite a rare surname, China, and Japan, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in China, Japan, and Kenya. Very seldom, Itaru is the forename as well as the last name.