Family name Iotka (Iotka, Иотка 
, Іотка 
) , globally, is a very rare cognomen. The last name Iotka is habitual in Eastern Europe, particularly Belarus, where it is a rare surname, Ukraine, and Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Иотка | Russia, Belarus |
| Іотка | Ukraine |