XCP is a three-letter abbreviation which may refer to:
Copper, the ISO 4217 code for trading the metal Extended Copy Protection, a CD copy protection technique used on some Sony CD albums Xen Cloud Platform, open-source virtualization software Xavier College Preparatory (Arizona) Universal Measurement and Calibration Protocol, ASAM e.V. standard abbreviated XCP The native currency of Counterparty Jabber XCP, a commercial product which is an implementation of XMPP, acquired by Cisco Systems in 2008.