NLR may refer to: Places
National Library of Russia, Saint Petersburg North Little Rock, Arkansas
Medicine Neutrophil to lymphocyte ratio, a marker of subclinical inflammation Nucleotide-binding leucine-rich repeat receptor/NOD-like receptor, a family of intracellular immunoreceptors
Rail transport Newark Light Rail, New Jersey, U.S. Newcastle Light Rail, Newcastle, New South Wales, Australia North London Railway Northampton and Lamport Railway, England Northern Latitudinal Railway, a railway in Russia
Other uses National Laboratory of the Rockies, formerly the National Renewable Energy Laboratory (NREL). National LambdaRail, a high-speed computer network Nazi Lowriders, a white prison and criminal organization New Left Review, a political academic journal Royal Netherlands Aerospace Centre