RR

RR may stand for:

• rr (digraph)
• Reader Rabbit
• Repurchase agreement rate (or "repo rate")
• Reserve requirement
• Restricted Radiotelephone Operator Permit (RR), a commercial license issued by the American Federal Communications Commission
• Revised Romanization of Korean
• Rio Rancho, New Mexico
• Rolls-Royce (disambiguation)
• Roman Republic
• Roraima, a state in Brazil
• Rural route
• Russian Roulette
• Russian ruble

Contents 1 Medicine 2 Media 3 People 4 Organizations 5 Technology 6 Transportation 7 See also

Medicine

• Reference range, a term used in laboratory medicine
• Relative risk, a term used in statistics and epidemiology
• Respiratory rate, a vital sign
• Rhesus factor, a term used in immunohematology
• RR interval (R wave to R wave interval), the inverse of heart rate
• Riva Rocci, an abbreviation for blood pressure measured with a specific sphygmomanometer

Media

• Chip 'n Dale Rescue Rangers, an animated TV series
• "Double R Diner", a restaurant in the Twin Peaks series
• Radio România, the state owned radio company of Romania
• Radioresepsjonen, a norwegian radio/TV series on NRK
• Rainbow Road, a course in the Mario Kart series
• Reading Rainbow, an American children's television program
• Ricky Ricotta, a children's book series by Dav Pilkey
• Rickrolling, an internet meme
• Road Rules, a reality series on MTV
• Rock Revolution, a music video game
• Rocka Rolla, a heavy metal album by Judas Priest
• Rockin' Robin (disambiguation)
• Royal Rumble, an annual WWE pay-per-view
• RR (film), an experimental film by James Benning
• Ruff Ryders

People

• Rachael Ray, an American television personality
• Ronald Reagan, the 40th President of the United States of America
• Robert Reiner, an actor
• Ryan Reynolds, an actor
• Randy Rhoads, a famous American guitarist
• Rick Robertson, AKA Double R, a Seattle radio personality
• Robert Rodriguez, an American director
• Rajon Rondo, American basketball player currently with the NBA's Boston Celtics
• Rodney Rude (born Rodney Keft), an Australian comedian

Organizations

• Rajasthan Royals, an Indian Premier League franchise
• Rashtriya Rifles, an Indian counter-insurgency force
• Reach Records, a Christian hip hop record label
• Red Rooster, an Australian fast food chain
• Rekords Rekords, an American record label founded by Josh Homme
• Road Runner (ISP)
• Royal Air Force IATA airline designator

Technology

• Rational Recovery
• Rear-engine, rear-wheel drive layout, a term used in automotive technology
• Request-response, a synchronous messaging model commonly used in distributed computer systems
• Resource record, a term used in Domain Name System
• Round-robin scheduling

Transportation

• R, a defunct line on the New York City Subway
• Railroad
• Rapid Ride, a bus rapid transit system in Albuquerque, New Mexico, United States
• Regional Railways, a former sector of British Rail
• Regional Roads in Ontario, a class of roads maintained by regional municipalities in Ontario (see County roads in Ontario)
• Royal Road, an ancient highway reorganized and rebuilt by the Persian king Darius I

See also

• R&R (disambiguation)

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