Surname 键华 (Jianhua 
, 键华 ) , globally, is quite a rare last name. The last name 键华 is habitual in Taiwan, where it is quite a rare surname, Singapore, where it is a rare surname, and Malaysia. In absolute terms, it is the most numerous in China, Taiwan, and Spain. Much more prevalently, 键华 is the forename as well as the last name.