Surname Jiordan (Jiordan 
) , worldwide, is a very rare last name. The cognomen Jiordan is habitual in Spain, where it is a very rare surname, Venezuela, and Mexico, where it is an extremely rare surname. More prevalently, Jiordan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jiordan | Australia, Brazil, Spain, United States, Philippines |