Roc
- Agustí Roc
- Blackburn Roc
- Cuba
- Greater Rochester International Airport
- Le Roc
- Margaret Roc
- Panthers of Pittsburgh
- Patricia Roc
- R.O.C. (band)
- ROCS (disambiguation)
- Race of Champions
- Race of Champions (disambiguation)
- Race of Champions (modified racing)
- Radar Operations Center
- Radius of convergence
- Radius of curvature (optics)
- Rail operating centre
- Rate of change (technical analysis)
- Rate of climb
- Receiver operating characteristic
- Regional Organisations of Councils
- Registrar of Companies, India
- Remote Operations Center
- Renewables Obligation
- Republic of China
- Republic of China (1912–1949)
- Republic of China at the Olympics
- Republic of Chocolate
- Republic of Crimea (Russia)
- Republic of Cyprus
- Republic of the Congo
- Resource-oriented computing
- Rest of Canada
- Restaurant Opportunities Center
- Resuscitation Outcomes Consortium
- Return of capital
- Return on capital
- Return on costs
- Right of Centre
- Roc (Gran Paradiso)
- Roc (Nâdiya song)
- Roc (TV series)
- Roc (The-Dream song)
- Roc (mythology)
- Roc Alexander
- Roc Books
- Roc Kirby
- Roc Nation
- Roc Oil Company
- Roc Oliva
- Roc Raida
- Roc Riggio
- Roc Taylor
- Roc Thomas
- Roc-A-Fella Records
- Roch
- Roche Braziliano
- Roche railway station
- Rock (disambiguation)
- Rocuronium bromide
- Roglai language
- Rok (disambiguation)
- Romanian Orthodox Church
- Roque (disambiguation)
- Ross and Cromarty
- Royal Observer Corps
- Roč
- Russian Olympic Committee
- Russian Olympic Committee athletes at the 2020 Summer Olympics
- Russian Olympic Committee athletes at the 2022 Winter Olympics
- Russian Orthodox Church
- Scaled Composites Stratolaunch
- Ste V Roc
- The R.O.C. (rapper)