Surname Ivanoa (Ivanoa 
, Иваноа 
) , in all the world, is a very rare last name. The family name Ivanoa is characteristic of Russia, where it is a very rare surname, Kazakhstan, and Mexico, where it is an extremely rare surname. Likewise, Ivanoa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ivanoa | Argentina, United States, Mexico, Venezuela, Peru |
| Иваноа | Russia, Kazakhstan |