Worldwide, Wailan (Wailan 
, ไวแสน 
) is a rare epicene forename. The first name Wailan is characteristic of Hong Kong, where it is quite a rare feminine name, Indonesia, where it is a very rare gender-neutral name, and Philippines, where it is a very rare primarily masculine, but very infrequently girly name. Measured by absolute frequency, the name is most common in Indonesia, Hong Kong, and China. Also, Wailan is the last name as well as the forename.