Cognomen Adelph (Adelph 
) , around the globe, is a very rare last name. The last name Adelph is characteristic of Sub-Saharan Africa, particularly Tanzania, where it is a very rare surname. Likewise, Adelph is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Adelph | South Africa, United States, Tanzania, France, Brazil |