| Acronym | Definition |
|---|
| LIB | Library |
| LIB | Library (File Name Extension) |
| LIB | Let It Be (Beatles album) |
| LIB | Lithium-Ion Battery |
| LIB | Lying in Bed |
| LIB | Libby (Amtrak station code; Libby, MT) |
| LIB | Liberal Party (Canada) |
| LIB | Libertarian Party (United States) |
| LIB | Line-Item Budgeting |
| LIB | Label Information Base (MPLS) |
| LIB | Living in Black |
| LIB | Let It Bleed (Rolling Stones album) |
| LIB | Lean Institute Brasil (Brazilian institute) |
| LIB | Light Infantry Brigade |
| LIB | League of Illinois Bicyclists (Aurora, IL) |
| LIB | Lead Impression Block (well drilling) |
| LIB | Laser Induced Breakdown |
| LIB | Local Intelligence Bureau (India) |
| LIB | limited international bidding |
| LIB | Lutein Information Bureau (health resource) |
| LIB | Linear Incremental Backoff |
| LIB | Linguistic Intergroup Bias (language use in intergroup contexts) |
| LIB | Less Important Bits (communications channel) |
| LIB | Lockton Insurance Brokers (California) |
| LIB | Left In Board (locations of aircraft underwing pylons) |
| LIB | Logistics Information Board |