Last name Badnaik (Badnaik 
) , throughout the world, is a rare surname. The surname Badnaik is habitual in India, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Badnaik is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Badnaik | United States, India |