Cognomen Ilanah (Ilanah 
) , in the world, is an extremely rare surname. The family name Ilanah is habitual in Southern Europe, particularly Spain, where it is a very rare surname. More prevalently, Ilanah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ilanah | Australia, Germany, Spain, United States, Brazil |
Chn, Duncan-Berry, Dornewass, Cristaldo, Galhardo, Charrabi, Waldman, Barbosa, Cassell, Almeida, Alvarez, Szwarctuch, Schriki, Milgram, Israel, Chaves, Santos, Zenou, Tovey, Taves, Lewis, Rocha, Pruis, Perin, Anjos, Slijderink, Souza, Silva, Lima, Katz, Loewenthal, and Winchester