IIP refer to: Indian Institute Of Packaging Organizations Indian Institute of Packaging Bureau of International Information Programs Indian Institute of Petroleum International Ice Patrol International Institute for Peace Investors In People Irish Independence Party International Inventories Programme Science Idiopathic interstitial pneumonia Internet Imaging Protocol, an imaging protocol implemented on top of HTTP Input Intercept Point (Signal Processing): IIP2 or IIP3 I2P, the Invisible Internet Project, an anonymous communications network II-p or IIp, a subtype of Type II supernova Ion imprinted polymer Other uses Interest in possession trust, a form of legal trust International investment position Index of industrial production Canadian Immigrant Investor Program