Cognomen Специус (Specius 
, Специус 
) , around the globe, is a very rare family name. The cognomen Специус is characteristic of Lithuania, where it is quite a rare surname, Argentina, where it is a very rare surname, and Russia. Very seldom, Специус is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Specius | Germany, Poland, United States, Argentina, Lithuania |
| Специус | Russia |