NLN may refer to:

Groups, organizations National Lampoon Inc (stock symbol NLN), a trademark licensing company for the brand "National Lampoon" National League for Nursing, for education and development in the United States National League of the North, Irish nationalist organisation in Northern Ireland National Learning Network, a large UK repository of online learning materials National Library of Nigeria (nln.gov.ng) Navis Logistics Network, U.S. packing and shipping company NeuLion (stock ticker: NLN), a television and streaming company; a subsidiary of Endeavor Streaming New Life Network, a TV programming distributor Next Left Notes, radical student periodical

(NLN), a Czech publishing house National Legitimist Party (NLN; ), Hungarian political party of the 1930s

Places New London Northern Railroad, New England, USA New Lane railway station (station code NLN), Burscough, West Lancashire, England, UK North Lincolnshire (ISO 3166-2:GB code NLN), Lincolnshire, England, UK Kneeland Airport (IATA airport code NLN), Humboldt County, California, USA

Biology Natronolimnobius (Nln.), a genus of archaeabacteria nucleus linearis (Nln), a part of the ventral tegmental area in the midbrain Neurolysin, a human protein found in the mitochondria, and the NLN gene that produces it

Other uses Mexicanero language (ISO 639 language code nln) Nelenite (IMA symbol Nln), a mineral nonbinary-liking-nonbinary (NLN), a LGBTQ slang No Licence Needed (NLN), a broadcasting status for television licensing in the United Kingdom

See also