Last name 夏美 (Natsumi 
, Xiamei 
, 夏美 ) , across the world, is a rare surname. The last name 夏美 is habitual in Singapore, where it is a very rare surname, Japan, and Indonesia. Measured by absolute frequency, it is the most numerous in China, Japan, and Indonesia. More prevalently, 夏美 is the forename as well as the last name.