Surname Giscan (Giscan 
) , worldwide, is a rare cognomen. The cognomen Giscan is characteristic of Romania, where it is a rare surname, Greece, and Italy, where it is an extremely rare surname. Very seldom, Giscan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Giscan | Germany, Romania, Italy, Spain, Greece |