Surname Ilang (Ilang 
) , around the world, is quite a rare cognomen. The family name Ilang is habitual in South-eastern Asia, particularly Indonesia, where it is a rare surname, Philippines, and Malaysia. Measured by absolute frequency, the name is most common in Indonesia, Nigeria, and Philippines. Likewise, Ilang is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ilang | Philippines, India, Indonesia, Nigeria, Malaysia |