| Abbreviation | Definition |
|---|---|
| KRL | Kitsap Regional Library |
| KRLS | Kinchafoonee Regional Library System |
| KRPL | Kittery Rice Public Library |
| KSL | Kelvin Smith Library |
| KTML | Katie Tokienna Memorial Library |
| KTPL | King Township Public Library |
| KUCL | Kathmandu University Central Library |
| KumaMedJ | Kumamoto Medical Journal (Japan) |
| KVL | Kadist Video Library |
| KVL | Katonah Village Library |
| KVL | Kentucky Virtual Library |
| KVLA | Keene Valley Library Association |
| KWEL | Kennedy Western Electronic Library |
| KWI | Kaiser Wilhelm Institute |
| L | Libraries |
| L2B | Library to Business |
| L2L | Librarians Learning to Support Learners Learning |
| LA | Library Association |
| LAAS | Library as a Service |
| LAC | Library and Archives Canada |