| Abbreviation | Definition |
|---|---|
| LCAC | Library Culture and Arts Commission |
| LCARS | Library Computer Access And Retrieval System |
| LCARS | Library Computer Access And Retrival System |
| LCARS | Library Computer Access Retrieval System |
| LCARS | Library Computer Analysis And Retrieval System |
| LCARS | Library Computer And Regulatory System |
| LCCN | Library Of Congress Card Number |
| LCCN | Library of Congress Cataloging Number |
| LCCN | Library Of Congress Control Number |
| LCCO | Library of Congress Classification Outline |
| LCF | Library Communications Framework |
| LCK | Library Construction Kit |
| LCLC | Library Computers Learning Commons |
| LCLF | Lincoln County Library Foundation |
| LCLF | Loeb Classical Library Foundation |
| LCLS | Lackawanna County Library System |
| LCLS | Lake County Library System |
| LCLS | Laramie County Library System |
| LCLS | Lee County Library System |
| LCLS | Luzerne County Library System |