Family name Annastancia (Annastancia 
) , in the entire world, is an extremely rare surname. The surname Annastancia is habitual in Sub-Saharan Africa, particularly Nigeria, where it is an extremely rare surname. Much more frequently, Annastancia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Annastancia | Zimbabwe, Tanzania, Nigeria, Kenya, South Africa |