NSL may refer to:

Government and politics United States National Security League, a military preparedness non-profit, 1914–1942 National security letter, an administrative subpoena (used since 1978) National Socialist League (United States), a gay neo-Nazi party, 1974–1980s National Socialist Legion, a neo-Nazi group, formed 2018

Elsewhere National Socialist League (United Kingdom), a British Nazi group, 1937–1939 National Security Act (South Korea), 1948 Hong Kong national security law, 2020

Sports National Soccer League (disambiguation) National Softball League, a British co-ed slow-pitch softball league Nebraska State League, an American basketball league Netball Superleague, a British netball league Northern Super League, a Canadian women's soccer league Nottinghamshire Senior League, an English association football league

Transportation NSL Buses, London, England National speed limit, on roads North–South Line (Singapore) of the Singapore Mass Rapid Transit system

Languages

Nepali Sign Language Norwegian Sign Language Nicaraguan Sign Language

Other uses NSL (company), a British outsourcing firm, formed 2007 Nanosphere lithography, etching on nanometre-sized balls Nintendo Switch Lite, a 2019 video game console Nuziveedu Seeds Limited, an Indian agricultural business, formed 1973

See also

National Security Law (disambiguation) Negro Southern League (disambiguation) NSEL (disambiguation) NSI (disambiguation) NS1 (disambiguation)