Family name 未央 (未央 
, Weiyang 
) , across the world, is a rare cognomen. The family name 未央 is characteristic of Benin, where it is a rare surname, Singapore, and Malaysia, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in China, Benin, and Singapore. Much more prevalently, 未央 is the forename as well as the last name.