Across the world, Penkai (Penkai 
) is a very rare predominantly boy's, but very infrequently feminine forename. The given name Penkai is characteristic of Southern Asia, particularly India, where it is an extremely rare predominantly male, but scarcely feminine name. Much less frequently, Penkai is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Penkai | Thailand, Brazil, India |