Cognomen Jainol (Jainol 
) , worldwide, is a rare family name. The last name Jainol is characteristic of Malaysia, where it is a rare surname, Philippines, where it is an extremely rare surname, and India. Very seldom, Jainol is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jainol | India, Philippines, Malaysia |