Cognomen Loac (Loac 
) , worldwide, is a very rare surname. The family name Loac is characteristic of Northern America, particularly Canada, where it is a very rare surname, and the United States, where it is an extremely rare surname. Likewise, Loac is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Loac | Spain, Canada, France, United States, Peru |