ICCP may refer to: IBS Center for Climate Physics, a basic science research center headed by German physicist Axel Timmermann IC Catholic Prep (Elmhurst, Illinois), a Roman Catholic High School in Elmhurst, Illinois Impressed Current Cathodic Protection, a system used to control the corrosion using anodes connected to a DC power source Institute for Certification of Computing Professionals, a non-profit organization that develops and administers certifications for the information technology industry Inter-Control Center Communications Protocol, an operational protocol used by electrical utilities as part of IEC 60870-6 International Climate Change Partnership, an industry group dealing with climate change issues International Committee for Coal Petrology; see Marie-Therese Mackowsky International Coordinating Committee on the Question of Palestine Islamic Community Center of Phoenix, a mosque in Phoenix, Arizona