Surname Sloa (Sloa 
) , globally, is a very rare last name. The last name Sloa is characteristic of Namibia, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Also, Sloa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sloa | Syria, Namibia, United States, Saudi Arabia |