Family name Altoja (Altoja 
) , in all the world, is a very rare cognomen. The last name Altoja is characteristic of Estonia, where it is quite a rare surname, the United Kingdom, where it is an extremely rare surname, and the United States. Very seldom, Altoja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Altoja | Estonia, United Kingdom, United States, Spain |