Isen

Isen may refer to:
 * Isen, Bavaria, a town in Germany
 * Isen, Kagoshima, a town in Japan
 * Isen (river) in Bavaria, Germany
 * The fictitious River Isen in Tolkien's literature
 * ISEN, a group of three French higher education establishments
 * Nissae Isen, actor
 * Tajja Isen, actor