Cognomen Johana Tamara (Johana Tamara 
) , across the world, is an extremely rare surname. The cognomen Johana Tamara is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Johana Tamara is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Johana Tamara | Peru, Ecuador, Chile, Argentina |