Cognomen Iallenbad (Iallenbad 
) , all over the world, is an extremely rare surname. The family name Iallenbad is habitual in Northern America, particularly the United States, where it is an extremely rare surname. More frequently, Iallenbad is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Iallenbad | United States |