RL

RL, Rl or rl may refer to:

• Rockland Records, a music label by singer R. Kelly
• Acura RL, an automobile
• RL (complexity), the complexity class of problems
• Polo Ralph Lauren's NYSE ticker symbol
• Radio Liberty, American political broadcasting station merged with Radio Free Europe
• Real life, a term for the life in the real world
• Reconstituted leaf, a type of tobacco processing used in some cigarettes
• Registered Locksmith, a trade qualification awarded to members of the Associated Locksmiths of America
• Reinforcement learning, a sub-area of machine learning
• ReLoad, 1997 album by Metallica
• Report Long, a type of Congressional Research Service Report
• Republic of Lebanon, a country
• Réseau Luxembourgeois des Amateurs d'Ondes Courtes, an amateur radio organization in Luxembourg
• RL circuit, a circuit with a resistor and an inductor
• Rl (digraph), a digraph in Australian Aboriginal languages representing a retroflex lateral
• Rocket launcher, a launching device for explosive, self-propelled projectiles that detonate on impact
• Rocket League, a 2015 vehicle soccer video game
• Roxbury Latin, a boys' preparatory school in West Roxbury, MA
• Royal Phnom Penh Airways IATA code
• Rugby league, a sport
• RL, Reporting Limit, used in quantitative analytic chemistry
• RL, Regulatory Limit, used in United States environmental emission laws

People known by the given initials

• R. L. Huggar, an R&B singer
• R. L. Stine (born 1943), American author