ILIS

Ilis or ILIS may refer to:
 * Hilis, a village in the Khojali Rayon of Azerbaijan
 * International Lesbian Information Service
 * Institut Lillois d'Ingénierie de la Santé (Faculty of Engineering and Health Management - University of Lille)
 * ILIS 1936, Internationella Luftfartsutställningen i Stockholm, a specialized World's fair held in Stockholm in 1936 and recognised by the Bureau of International Expositions