Globally, Rainak (Rainak 
) is quite a rare mostly girly, but seldom boy's forename. The first name Rainak is habitual in Southern Asia, particularly India, where it is a very rare largely girly, but uncommonly boy's name. Also, Rainak is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Rainak | India, United States |