Surname Siriaque (Siriaque 
) , across the world, is an extremely rare last name. The last name Siriaque is habitual in Northern America, particularly Canada, where it is an extremely rare surname, and the United States. Much more frequently, Siriaque is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Siriaque | Democratic Republic of the Congo, Canada, United States |