Surname Ilankumaran (Ilankumaran 
) , in all the world, is a very rare cognomen. The cognomen Ilankumaran is characteristic of Bahrain, where it is a rare surname, Canada, where it is an extremely rare surname, and the United Kingdom. Measured by absolute frequency, this name is the most popular in India, Bahrain, and the United States. Much more frequently, Ilankumaran is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ilankumaran | Bahrain, United Kingdom, United States, India, Sri Lanka |
| r. ilankumaran Indian poet and commentator, IN (b. 1927) |
|
Kumar, Calyradja, Kumaran, Perumal, Angappan, Kobinath, Jathavan, Shanmugam, Lakshmanan, and Subramanian