Cognomen 西中 (Xizhong 
, 西中 , Nishinaka 
) , in the world, is a rare last name. The surname 西中 is characteristic of Japan, where it is a very rare surname, Canada, and the United States. In absolute terms, it is the most numerous in China, Japan, and the United States. Much more frequently, 西中 is the forename as well as the last name.