Zheleznogorsk

Zheleznogorsk (Железного́рск) is the name of several populated places in Russia, and may refer to:
 * Zheleznogorsk, Krasnoyarsk Krai, a closed town in Siberia that was once a secret town
 * Zheleznogorsk, Kursk Oblast, a town located northwest of Kursk that serves as the administrative center of Zheleznogorsky District
 * Zheleznogorsk-Ilimsky, a town and administrative center of Nizhneilimsky District in Irkutsk Oblast
 * Zheleznogorsky District, an administrative and municipal district in Kursk Oblast
 * Zheleznogorsk Airport, located just south of Zheleznogorsk-Ilimsky