Cognomen 自华 (自华 
, Zihua 
) , all over the world, is quite a rare surname. The last name 自华 is habitual in China, where it is a rare surname, Singapore, and Spain, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in China, Mexico, and Singapore. More frequently, 自华 is the forename as well as the last name.