Surname Janewar (Janewar 
) , across the world, is a very rare cognomen. The surname Janewar is habitual in Indonesia, where it is a very rare surname, Malaysia, and India, where it is an extremely rare surname. Likewise, Janewar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Janewar | Malaysia, India, Indonesia |