RLL may refer to:
*
Run Length Limited
Run-length limited or RLL coding is a line coding technique that is used to send arbitrary data over a communications channel with bandwidth limits. RLL codes are defined by four main parameters: ''m'', ''n'', ''d'', ''k''. The first two, ''m''/ ...
, an encoding scheme for disk drives
*
Relay Ladder Logic
Ladder logic was originally a written method to document the design and construction of relay racks as used in manufacturing and process control. Each device in the relay rack would be represented by a symbol on the ladder diagram with connectio ...
, a programming language for industrial control
* Radio Local Loop, same as
Wireless Local Loop (WLL)
*
Rahal Letterman Lanigan Racing
Rahal Letterman Lanigan Racing is an auto racing team that has participated in the WeatherTech SportsCar Championship and the IndyCar Series. Headquartered in Brownsburg, Indiana and Hilliard, Ohio, it is co-owned by 1986 Indianapolis 500 win ...
, an auto racing team in the WeatherTech SportsCar Championship
* ''right lower lobe'', see
List of medical abbreviations: R
{{disambiguation