All around the world, Деметриус (Demetrius 
, Demetrious 
, Деметриус 
) is a common boy's forename. The forename Деметриус is habitual in Bahamas, where it is quite a rare masculine name, the United States, and Brazil. Measured by absolute frequency, it most frequently occurs in the United States, Brazil, and Tanzania. Very seldom, Деметриус is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Demetrius | Malaysia, United States, Tanzania, Brazil, Jamaica |
| Demetrious | South Africa, Sri Lanka, Philippines, United States, Canada |
| Деметриус | Russia |
D'Mitr, Demeter, Demetre, Demetri, Demetrio, Demetrios, Demetris, Demetriusz, Demetryus, Demitri, Demétrio, Dimitar, Dimitri, Dimitrij, Dimitrios, Dimitris, Dimitry, Dimtri, Dimítrios, Dmitr, Dmitri, Dmitrii, Dmitrij, Dmitriy, Dmitry, Dumitru, Démétrios, Mitar, Δημήτρης, Δημήτριο, Δημήτριος, Деметер, Деметр, Деметре, Деметрий, Деметрио, Деметриос, Деметріо, Дзмітрый, Дима, Димитар, Димитр, Димитри, Димитрий, Димитриос, Димитрис, Димитър, Димка, Димочка, Дми'Трий,
Деметриус is also a name for the fictitious and mythical characters: Sergeant Garcia , character in Zorro; Demetrius , the character in A Midsummer Night's Dream by W. Shakespeare; Demetrius , the character from Disney's Hercules; Father Dima , the fictional character in Eduard Uspensky's works, Three from Prostokvashino and Demetrius Zaarin , character in Star Wars: TIE Fighter, among other works.