Family name Potoukian (Potoukian 
) , worldwide, is a very rare cognomen. The family name Potoukian is characteristic of Switzerland, where it is a rare surname, Italy, where it is a very rare surname, and Argentina. In absolute terms, this name is the most popular in Switzerland, the United States, and Italy.
| VARIANT | COUNTRY |
|---|---|
| Potoukian | Italy, Switzerland, Argentina, United States |