Cognomen อินทะนิล (อินทะนิล 
, Inthanil 
) , across the world, is a rare family name. The surname อินทะนิล is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| อินทะนิล | Thailand |
| Inthanil | United States, Thailand |