Family name Catharia (Catharia 
) , throughout the world, is a rare surname. The surname Catharia is habitual in Sub-Saharan Africa, particularly Benin, where it is quite a rare surname. Much less frequently, Catharia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Catharia | Brazil, Benin, South Africa, United States |
| catharia de windele (1582-1659) (b. 1582) |
|