Last name Սեւան (Sevan 
, Севан 
, Սեւան) , throughout the world, is quite a rare family name. The family name Սեւան is characteristic of Western Asia, particularly Armenia, where it is quite a rare surname, Azerbaijan, and Georgia, where it is a rare surname. Measured by absolute frequency, the name is most common in India, Armenia, and Iraq. More frequently, Սեւան is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sevan | Iraq, India, Syria, Democratic Republic of the Congo, Turkey |
| Севан | Romania, Ukraine, Russia, Armenia, Kyrgyzstan |