Last name Speciose (Speciose 
) , around the world, is a rare cognomen. The surname Speciose is habitual in Sub-Saharan Africa, particularly Rwanda, where it is quite a rare surname. Likewise, Speciose is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Speciose | France, Rwanda, Democratic Republic of the Congo, United States, Burundi |