Ilmenau (disambiguation)

Ilmenau can refer to:


 * Ilmenau, a town in the Ilm-Kreis, Thuringia, Germany
 * Ilmenau (river), a tributary of the Elbe in Lower Saxony, Germany.
 * Ilmenau, Lower Saxony, a municipality in the district of Lüneburg, Lower Saxony, Germany.
 * German name of Jordanów
 * German name of Limanowa