Surname Северин-Дем'Ян (Северин-Дем'Ян 
) , all around the world, is an extremely rare cognomen. Predominantly, Северин-Дем'Ян is the forename as well as the last name. Parts of the name also exists independently as a last name Северин, and a first name Дем'Ян.
| VARIANT | COUNTRY |
|---|---|
| Северин-Дем'Ян | Ukraine |