NLA may refer to: NLA, the IATA code for Simon Mwansa Kapwepwe International Airport in Ndola, Zambia National Language Authority, a regulatory institution of Urdu language in Pakistan National League A, the premier ice hockey league in Switzerland National Leather Association International, a BDSM organization based in the United States National Liberation Army (disambiguation) Network Level Authentication, in computing, a user authorizing technology Newspaper Licensing Agency, a newspaper licensing organization in the United Kingdom Numerical linear algebra, the study of algorithms for performing linear algebra computations Boeing New Large Airplane, a defunct airplane project National Lipid Association, an American association of healthcare providers dedicated to improve lipid management in clinical medicine Libraries Nebraska Library Association Nevada Library Association National libraries National Library of Afghanistan, based in Kabul University prior to its destruction in a civil war. National Library of Agriculture, more accurately known as the United States National Agricultural Library National Library of Albania National Library of Aleppo National Library of Algeria National Library of Andorra, more accurately known as the Andorra National Library National Library of Angola National Library of Argentina, more accurately known as the Mariano Moreno National Library of the Argentine Republic National Library of Armenia National Library of Aruba National Library of Australia National Library of Austria, more accurately known as the Austrian National Library National Library of Azerbaijan See also National Library of Antigua and Barbuda, more accurately known as the Antigua Public Library