République Populaire de Chine, the French name for the People's Republic of China

Republican Policy Committee in the U.S. Senate[2]

Role-playing Council, an elected party of players of the Legend of the Jedi multi-user dungeon working to enforce the set of rules established to preserve the game as a place where a multitude of people can find enjoyment

Rosetta Plasma Consortium, a consortium of five sensors[1] on board of the Rosetta space probe that was launched in 2004 intended to study the comet 67P/Churyumov-Gerasimenko

Resistive plate chamber, a simple type of particle detector used in experimental particle physics

Regional playback control, a form of regional lockout implemented on DVDs, see DVD region code

Radiological Physics Center, The Radiological Physics Center (RPC) is a non-profit organization funded by NCI with the purpose of promoting excellence in the quality of radiation therapy clinical trials.

Remote procedure call, a protocol that allows a computer program running on one host to cause code to be executed on another host

Rocket Pod Container, the interchangeable containers used to transport and launch missiles for use with the M270 Multiple Launch Rocket System

Rail Passengers Council, a network established by the Parliament of the United Kingdom to protect and promote the interests of rail passengers throughout Great Britain

Royal Parks Constabulary, a police force that was responsible for the eight Royal Parks of London and a number of other locations in London, England

Revolutionary Policy Committee, a faction within the Independent Labour Party, a United Kingdom political party during the 1930s

Redundant Power Supply

Recurrent pyogenic cholangitis, a medical condition especially common in Asians.

Rules of Professional Conduct, relating to U.S. lawyers' ethical rules, see American Bar Association Model Rules of Professional Conduct

Readers Per Copy, the number of people who read a single copy of a magazine. This is a useful distinction in examining magazines' demographic trends.

Research Policy Council, the executive management team for the Congressional Research Service, a division of the Library of Congress.