RR

Look up rr in Wiktionary, the free dictionary.

RR may stand for:

Medicine

• Reference range, in laboratory medicine
• Relative risk, in statistics and epidemiology
• Respiratory rate, as a vital sign
• Rhesus factor, in immunohematology
• Riva Rocci, an abbreviation for blood pressure measured with a specific sphygmomanometer

Media

• Ruff Ryders
• Chip 'n Dale Rescue Rangers, an animated TV series
• Rainbow Road, a course in the Mario Kart series
• Reading Rainbow, an American children's television program
• Rickrolling, an internet meme
• Ricky Ricotta, a children's book series by Dav Pilkey
• Road Rules, a reality series on MTV
• Rock Revolution, a music video game
• Rocka Rolla, heavy metal album by Judas Priest
• Royal Rumble, annual WWE pay-per-view
• Rockin' Robin
• RR (film), an experimental film by James Benning

People

• Rachael Ray, an American television personality
• Ronald Reagan, 40th President of the United States of America
• Robert Reiner, actor
• Rick Robertson, AKA Double R, Seattle radio personality
• Robert Rodriguez, an American director
• Rodney Rude (born Rodney Keft), an Australian comedian

Organizations

• Rajasthan Royals, an Indian Premier League franchise
• Rashtriya Rifles, 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
• Rolls Royce, A British Company involved in Aviation and Automobile Industry

Technology

• Rational Recovery
• Rear-engine, rear-wheel drive layout, in automotive terminology
• Request-response, a synchronous messaging model commonly used in distributed computer systems
• Resource records used in Domain Name System (DNS)
• Round-robin scheduling

Transportation

• Railroad
• Rapid Ride, a bus rapid transit system in Albuquerque, New Mexico
• 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

Other

• rr (digraph)
• Reader Rabbit
• Repurchase agreement rate (or repo rate; as in the Reuters Instrument Code US10YT=RR)

• Restricted Radiotelephone Operator Permit (RR), a commercial license issued by the U.S. Federal Communications Commission
• Revised Romanization of Korean
• Rio Rancho, New Mexico
• Rolls-Royce (disambiguation)
• Roman Republic
• Rural route
• Russian ruble
• Russian Roulette

See also

• R&R

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