Cognomen ひとし (Hitoshi 
, ひとし) , around the world, is quite a rare surname. The cognomen ひとし is habitual in Eastern Asia, particularly Japan, where it is quite a rare surname, Mongolia, and Hong Kong, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Japan, China, and Indonesia. Likewise, ひとし is the forename as well as the last name.