Roc

Roc, ROC, or R.O.C. may refer to:

People

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 (Russia), a disputed Russian republic
Republic of Cuba, the official name of Cuba
Roc (Gran Paradiso), a mountain in Italy

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-A-Fella Records, known as "The Roc"
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

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

Rail operating centre, a type of railway signalling centre in the UK
Rate of climb, in aviation
Greater Rochester International Airport (IATA airport code ROC), Rochester, Monroe County, New York State, USA
Roche railway station (station code ROC), Roche, Cornwall, England, UK
"Roc" (N351SL), the first (and only) Scaled Composites Stratolaunch (Model 351), an aircraft designed to carry air-launch-to-orbit rockets
Blackburn Roc, a British naval fighter-bomber and turret fighter aircraft of World War II

Russian Olympic Committee
- ROC, the IOC code used for Russian Olympic Committee athletes:
  - Russian Olympic Committee athletes at the 2020 Summer Olympics
  - Russian Olympic Committee athletes at the 2022 Winter Olympics
Race of Champions (disambiguation)
- Race of Champions, motorsport event combining track and rally drivers
- Race of Champions (modified racing), a yearly stock car race using modified race cars
Roc, the name of the University of Pittsburgh's costumed panther mascot (see Panthers of Pittsburgh)
ROC, the IOC code formerly used for Republic of China at the Olympics 1924–1948

Roc (mythology), a mythical giant bird
Roglai language (ISO 639 language code roc)
Renewables Obligation certificates, used in the UK's electricity supply industry
Republic of Chocolate
Resource-oriented computing
Rocuronium bromide, colloquially called "roc" or "ROC"