Family name Dayenis (Dayenis 
) , in all the world, is a very rare last name. The surname Dayenis is habitual in Venezuela, where it is a rare surname, Colombia, where it is a very rare surname, and South Africa, where it is an extremely rare surname. Also, Dayenis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dayenis | South Africa, Colombia, United States, Brazil, Venezuela |