Family name Wareelak (Wareelak 
) , across the world, is an extremely rare cognomen. Much more frequently, Wareelak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wareelak | Thailand |
Onyen, Piwphong, Tunbut, Tunbutr, Kumpangkaew, and Lekwichittada