Cognomen Иттерман (Иттерман 
, Itterman 
) , all around the world, is a rare family name. The cognomen Иттерман is characteristic of Argentina, where it is a rare surname, Canada, and New Zealand. Not in comparison with a country's population, it is commonest in Argentina, Canada, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Иттерман | Russia, Kazakhstan |
| Itterman | Argentina, Canada, United States, New Zealand, Russia |