Surname Ясуки (Yasuki 
, Ясуки) , around the globe, is a rare cognomen. The cognomen Ясуки is habitual in Singapore, where it is a rare surname, Belgium, where it is a very rare surname, and Indonesia. In absolute terms, it is commonest in Indonesia, China, and Singapore. Likewise, Ясуки is the forename as well as the last name.