Cognomen Ясухико (Yasuhiko 
, Ясухико 
) , in the world, is quite a rare family name. The last name Ясухико is habitual in Japan, where it is a rare surname, Singapore, and Switzerland, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Japan, China, and Singapore. Likewise, Ясухико is the forename as well as the last name.