ICIS
ICIS may refer to:
 ICIS Pricing (Independent Commodity Intelligence Services), a business unit of Reed Business Information
 Institutional Computing and Information Services
 International Congress of Infant Studies
 International Conference on Information Systems
 International Construction Information Society
 International Cytokine and Interferon Society
 Internal Counter-Intelligence Service, a fictional organization in the Doctor Who universe.
 Integrated Cadastral Information Society
 International Crop Information System