Surname Anstacia (Anstacia 
) , in all the world, is a very rare last name. The surname Anstacia is habitual in Honduras, where it is a very rare surname, Mexico, where it is an extremely rare surname, and Nigeria. More prevalently, Anstacia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Anstacia | Philippines, Mexico, Nigeria, United States, India |