Family name Parepilai (Parepilai 
) , in all the world, is an extremely rare cognomen. Predominantly, Parepilai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Parepilai | Malaysia, Thailand |
Boonsa, Kornkikeatsakul, Kornkaikeatsakul, Kornkaikeatsukul, and Chanwatthana