Cognomen 渊华 (Yuanhua 
, 渊华 ) , all over the world, is a rare last name. The family name 渊华 is characteristic of China, where it is a very rare surname, Malaysia, and Chile, where it is an extremely rare surname. Not in comparison with a country's population, the name is most common in China, Malaysia, and the United States. Predominantly, 渊华 is the forename as well as the last name.