Surname Hideo (Hideo 
, ヒデオ , Хидео 
, among others...) , across the world, is a common family name. The last name Hideo is characteristic of Japan, where it is quite a common surname, Taiwan, where it is quite a rare surname, and Singapore, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Eastern Asia, particularly Japan, China, and Taiwan. Much less frequently, Hideo is the forename as well as the last name.