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 LambdaRail, a high-speed computer network.
https://en.wikipedia.org/wiki/NLR