Surname Bainca (Bainca 
) , around the world, is an extremely rare last name. The last name Bainca is habitual in Norway, where it is a very rare surname, Philippines, where it is an extremely rare surname, and the United States. More prevalently, Bainca is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bainca | Norway, South Africa, Philippines, United States, Ecuador |