PARC (Palo Alto Research Center Incorporated), formerly Xerox PARC, is a research and development company in Palo Alto, California, with a distinguished reputation for its contributions to information technology and hardware systems.

Founded in 1970 as a division of Xerox Corporation, PARC has been responsible for such well known and important developments as laser printing, Ethernet, the modern personal computer, graphical user interface (GUI), object-oriented programming, ubiquitous computing, amorphous silicon (a-Si) applications, and advancing very-large-scale-integration (VLSI) for semiconductors.

Xerox formed Palo Alto Research Center Incorporated as a wholly owned subsidiary in 2002.