LIB

LIB may refer to:

Science and technology

 * Label Information Base, a software table in networking routers
 * Library (computing), a collection of permanent programming resources
 * Lithium-ion battery, a type of, usually secondary, electrical battery

Other uses

 * Lebanon, former IOC country code (1964-2016; now LBN)
 * Lëvizja për Integrim dhe Bashkim (Movement for Integration and Unification), a political party in Kosovo
 * Libya, UNDP country code
 * Lightning in a Bottle, a music festival in Southern California
 * Long Island Bus, now called Nassau Inter-County Express
 * International School of Boston (Lycée International de Boston)