Ilse (disambiguation)

Ilse is a Germanic feminine given name.

Ilse may also refer to:

Rivers

 * Ilse (Bega), a river of North Rhine-Westphalia, Germany, tributary of the Bega
 * Ilse (Lahn), a river of North Rhine-Westphalia, Germany, tributary of the Lahn
 * Ilse (Oker), a river of Lower Saxony and Saxony-Anhalt, Germany, flowing from the Harz mountains, tributary of the Oker
 * Ilse (Weser), a river in Lower Saxony, Germany

Other

 * 249 Ilse, an asteroid named for the legendary German princess of the Harz Mountains
 * Aechmea 'Ilse', a plant