All around the world, Rethika (Rethika 
) is a very rare feminine first name. The forename Rethika is characteristic of Southern Asia, particularly India, where it is an extremely rare feminine name. Very seldom, Rethika is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Rethika | India |
| rethika srinivas Indian actress, IN (b. 1973) |
|
R E, Wai, Seal, Ravi, Nair, Ackca, Gupta, Kumari, Dmello, Nagaraj, Deshmukh, Tandepadang, Subramani, Chantabaln, and Chandrasekaran