Surname Illava (Illava 
) , around the globe, is a very rare family name. The cognomen Illava is habitual in Australia, where it is a very rare surname, Canada, where it is an extremely rare surname, and the United States. Also, Illava is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Illava | India, Canada, United States, Australia |
|
karl illava American sculptor, US (b. 1896) |
|