All around the world, Деню (Деню 
, Denyu 
, Denju 
) is quite a rare masculine first name. The given name Деню is characteristic of Bulgaria, where it is quite a common male name, Nigeria, where it is a very rare unisex name, and India, where it is an extremely rare epicene name. Likewise, Деню is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Деню | Bulgaria, Ukraine |
| Denyu | Brazil, Bulgaria, India, United States, Japan |
| Denju | Brazil, India, United States, Nigeria, Japan |
| Deniu | Brazil, Romania, United States |