Cognomen 尚文 (尚文 
, Shangwen 
, Naofumi 
) , in all the world, is quite a rare last name. The surname 尚文 is characteristic of Taiwan, where it is a rare surname, China, and Singapore, where it is a very rare surname. In absolute terms, the name is most common in Eastern Asia, particularly China, Taiwan, and Japan. More frequently, 尚文 is the forename as well as the last name.