Surname 希亚 (希亚 
, Sheya 
) , globally, is quite a rare cognomen. The last name 希亚 is habitual in Namibia, where it is quite a common surname, Israel, where it is a very rare surname, and the United States. Not in comparison with a country's population, the name is most common in Namibia, China, and the United States. Likewise, 希亚 is the forename as well as the last name.