In the entire world, เพ็ญคำ (Penkham 
, Phenkham , เพ็ญคำ) is a very rare epicene first name. The first name เพ็ญคำ is characteristic of Southern Asia, particularly India, where it is an extremely rare unisex name. More frequently, เพ็ญคำ is the last name as well as the forename.