Cognomen Bastare (Bastum 
, Bastare 
) , in all the world, is a very rare surname. The last name Bastare is characteristic of Romania, where it is a rare surname, Italy, where it is a very rare surname, and Canada. Much less frequently, Bastare is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bastum | Philippines, India, Canada |
| Bastare | Romania, Italy, United States |
Abbastanza, and Bastanza