Cognomen 任华 (Renhua 
, 任华 ) , throughout the world, is a rare family name. The cognomen 任华 is habitual in China, where it is a very rare surname, Malaysia, and Chile, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in China, Malaysia, and the United States. More frequently, 任华 is the forename as well as the last name.