In all the world, Dianan (殿安 
, Dianan 
) is a rare dominantly masculine, but infrequently girly forename. The forename Dianan is characteristic of China, where it is a very rare masculine name, Indonesia, where it is a very rare girly name, and Spain, where it is a very rare unisex name. In absolute terms, this name is the most popular in China, Indonesia, and Philippines. Much less frequently, Dianan is the last name as well as the forename.