In the world, Деника (Denica 
, Деника 
) is a rare girly first name. The first name Деника is characteristic of Bulgaria, where it is quite a rare predominantly female, but very seldom male name, Barbados, where it is quite a rare feminine name, and North Macedonia. Measured by absolute frequency, the name is most common in Bulgaria, the United States, and Philippines. Very seldom, Деника is the last name as well as the forename.