Last name Sissian (Sissian 
) , all over the world, is a very rare cognomen. The last name Sissian is habitual in Australia, where it is a very rare surname, Argentina, where it is an extremely rare surname, and the United States. More frequently, Sissian is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sissian | Ethiopia, Australia, United States, Argentina |