Cognomen อิล (In 
, อิล 
) , globally, is a common surname. The cognomen อิล is characteristic of Macao, where it is quite a common surname, Reunion, and Myanmar (explore the name in all countries). In absolute terms, it most frequently occurs in Myanmar, Indonesia, and China. Likewise, อิล is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| In | Japan, South Korea, Myanmar, India, Indonesia |
| อิล | Thailand |