Family name Ilankannan (Ilankannan 
) , in the world, is a very rare surname. The last name Ilankannan is characteristic of Southern Asia, particularly India, where it is an extremely rare surname. More prevalently, Ilankannan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ilankannan | India |
Kannan, and Sethupandian