Cognomen Sirenya (Сиреня 
, Sirenya 
) , in all the world, is a very rare surname. The surname Sirenya is habitual in South Africa, where it is a very rare surname, and Mexico, where it is an extremely rare surname. Also, Sirenya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Сиреня | Kazakhstan, Russia |
| Sirenya | Mexico, United States, South Africa |