Last name 夏木 (Natsuki 
, 夏木 , Нацуки 
) , all around the world, is a rare family name. The surname 夏木 is habitual in United Arab Emirates, where it is a rare surname, Singapore, and Japan, where it is a very rare surname. In absolute terms, this name is the most popular in Indonesia, China, and Japan. More frequently, 夏木 is the forename as well as the last name.