Cognomen Rahajamanana (Rahajamanana 
) , in the entire world, is quite a rare family name. The last name Rahajamanana is habitual in Sub-Saharan Africa, particularly Madagascar, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rahajamanana | Madagascar |
Jean, Lucie, Lucien, and Tsantaniaina