Roc, ROC, or R.O.C. may refer to: People Roch (c. 1348 – 1376), Occitan saint called Roc in Catalan Agustí Roc (born 1971), Spanish ski mountaineer Margaret Roc (born 1945), Australian author Patricia Roc (1915–2003), British actress Ste V Roc (born 1977), Irish hip-hop artist Roc Alexander (born 1981), American football player Roche Braziliano (fl. 1630–1671), also spelled Roc, Dutch pirate Roc Kirby (1918–2008), Australian businessman Roc Oliva (born 1989), Spanish field hockey player Roc Raida (1972–2009), American disc jockey, turntablist and producer Roc Thomas (born 1995), American football player The R.O.C. (rapper) (born 1973), American rapper Places Republic of China, the official name of Taiwan Republic of China (1912–1949), the internationally recognized government of China prior to the retreat of the Kuomintang to Taiwan and the establishment of the People's Republic of China by the Chinese Communist Party Republic of the Congo, the official name of a Central African country Republic of Cyprus, the official name of Cyprus Rest of Canada, term for everywhere in Canada outside Quebec Roč, a town in Croatia Le Roc, a commune in France Ross and Cromarty, registration county in Scotland, Chapman code Republic of Crimea, a disputed Russian republic Republic of Cuba, the official name of Cuba Companies and organizations Radar Operations Center, US National Weather Service unit Regional Organisations of Councils, voluntary groupings of neighbouring councils in Australia Registrar of Companies, India Remote Operations Center, a National Security Agency facility in Fort Meade, Maryland Restaurant Opportunities Center, a union-supported labor group Resuscitation Outcomes Consortium, a network of clinical trial sites Right of Centre, a short-lived New Zealand political party Roc Books, a paperback science fiction and fantasy imprint of Penguin Group Roc Nation, an American entertainment company Roc Oil Company, based in Sydney, Australia Royal Observer Corps, a former British civil defence organisation Romanian Orthodox Church Russian Orthodox Church Entertainment R.O.C. (band), British electronica group founded in 1983 by Fred Browning and Patrick Nicholson Roc (Dungeons & Dragons), a role-playing version of the mythical bird "Roc" (Nâdiya song), 2006 Roc (The-Dream song) Roc (TV series), an American sitcom which aired 1991–94 Finance Rate of change (technical analysis) Return on capital Mathematics Radius of curvature (optics) Receiver operating characteristic, ROC curve (statistics) Radius of convergence Transport and vehicles Rail operating centre, a type of railway signalling centre in the UK Greater Rochester International Airport (IATA airport code ROC), Rochester, Monroe County, New York