ICAP may refer to:
Computers ICAP/4, analog circuit emulation software Internet Content Adaptation Protocol, a lightweight HTTP-like protocol Inter exchange Client Address Protocol for Ethereum platform
Organizations ICAP at Columbia University, a support center for support of HIV/AIDS prevention and treatment Institute of Chartered Accountants of Pakistan, a professional accountancy body in Pakistan International Carbon Action Partnership, an international cooperative forum International Center for Alcohol Policies; see International Alliance for Responsible Drinking Institute for Constitutional Advocacy and Protection at Georgetown University Law Center
Businesses TP ICAP, professional intermediaries in financial, energy and commodities markets ICAP plc, a UK-based money broker now known as NEX Group
Other uses ICAP Leopard 3 (yacht), a 30-metre IRC maxi yacht Improved Capability, upgrades to the Northrop Grumman EA-6B Prowler Installed capacity requirement for maintaining resource adequacy in the electrical grid
See also ICAAP, International Consortium for the Advancement of Academic Publication