Last name 知华 (Zhihua 
, 知华 ) , around the world, is quite a rare cognomen. The surname 知华 is characteristic of Taiwan, where it is a rare surname, Singapore, and China, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in China, Taiwan, and Malaysia. Much more prevalently, 知华 is the forename as well as the last name.