Surname Хикару (Hikaru 
, Хикару 
) , around the world, is quite a rare family name. The surname Хикару is characteristic of Indonesia, where it is a rare surname, Singapore, and Japan, where it is a very rare surname. Measured by absolute frequency, the name is most common in Indonesia, China, and Japan. Also, Хикару is the forename as well as the last name.