Family name Janena (Janena 
) , all over the world, is an extremely rare cognomen. The cognomen Janena is habitual in Southern Asia, particularly India, where it is an extremely rare surname. Much more frequently, Janena is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Janena | South Africa, Australia, Philippines, United States, India |
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