In all the world, راديكا (Radhika 
, Radika 
, Radica 
) is a widespread feminine first name. The forename راديكا is habitual in India, where it is quite a common feminine name, Serbia, and Qatar, where it is quite a rare mostly girly, but infrequently boy's name. Measured by absolute frequency, it most frequently occurs in India, Indonesia, and the United States. Very seldom, راديكا is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Radhika | Nepal, United States, India, Indonesia, Sri Lanka |
| Radika | United Arab Emirates, United States, India, Indonesia, Sri Lanka |
| Radica | Australia, North Macedonia, United States, India, Serbia |