RLL

 Template:Sister project

RLL may refer to:

• Run Length Limited, an encoding scheme for disk drives
• Relay Ladder Logic, a programming language for industrial control
• Radio Local Loop, same as Wireless Local Loop (WLL)
• Rahal Letterman Lanigan Racing, an auto racing team in the WeatherTech SportsCar Championship
• right lower lobe, see List of medical abbreviations: R