LIB

LIB may refer to:

• Label Information Base, a table used by IP/MPLS capable routers to find labels to be pushed
• Lebanon, abbreviated from French Liban in international association football
• Let It Be (disambiguation)
• Let It Bleed (disambiguation)
• Lëvizja për Integrim dhe Bashkim (Movement for Integration and Unification), a political party in Kosovo
• Library (computing)
• Lightning in a Bottle, a music festival in Southern California
• Lithium-ion battery, a type of secondary battery
• Long Island Bus, now called Nassau Inter-County Express