NLB

NLB may refer to:


 * Nanotechnology Law & Business, a journal devoted to the legal, business, and policy aspects of nanotechnology
 * National Labor Board (1933–1934), a former agency of the US government
 * National League B, former name of the Swiss League, the second highest ice hockey league in Switzerland
 * National Library Board of Singapore
 * National Library for the Blind of the United Kingdom
 * Nationalliga B, former name of the Swiss Challenge League, the second highest football league in Switzerland
 * Negro league baseball (1885—1960), American baseball leagues with African-American players
 * Network Load Balancing, a technique for dividing computer network traffic among multiple network connections
 * New Lantao Bus, a bus service operator on Lantau Island, Hong Kong
 * New Left Books, former name of Verso Books, the book publishing arm of the New Left Review
 * NLB League, former name (2006—2011) of the ABA League (Adriatic League), a basketball league of teams from Bosnia and Herzegovina, Croatia, Montenegro, Serbia, and Slovenia
 * Norbert Leo Butz (born 1967), American musical theater actor
 * Northern Lighthouse Board, organisation responsible for marine navigation aids in Scotland and the Isle of Man
 * Nova Ljubljanska banka, the largest bank in Slovenia