Family name 孝文 (Xiaowen 
, 孝文 , Takafumi 
) , across the world, is quite a rare surname. The surname 孝文 is characteristic of Taiwan, where it is quite a rare surname, Singapore, where it is a rare surname, and China. Measured by absolute frequency, it most frequently occurs in Eastern Asia, particularly China, Taiwan, and Japan. More prevalently, 孝文 is the forename as well as the last name.