Surname Ясуно (Yasuno 
, 安野 , Ясуно 
) , in the world, is a very rare last name. The surname Ясуно is characteristic of Singapore, where it is a rare surname, Japan, where it is a very rare surname, and Canada, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in Japan, China, and Singapore. Much more prevalently, Ясуно is the forename as well as the last name.