| Abbreviation | Definition |
|---|---|
| LLJ | Law Library Journal |
| LLJC | Littman Library of Jewish Civilisation |
| LLJC | Littman Library of Jewish Civilization |
| LLL | Lending Lake Library |
| LLLC | Lafayette Library and Learning Center |
| LLLP | Library Laptop Loaner Program |
| LLMA | Library Leadership Management Association |
| LLML | Liberty Lake Municipal Library |
| LLNE | Law Librarians of New England |
| LLOC | Law Library of Congress |
| LLRC | Library and Learning Resource Center |
| LLRC | Library Learning Resource Center |
| LLRX | Law Library Resource Xchange |
| LLS | Library Learning Services |
| LLS | Love Library South |
| LLSRT | Library for Lens System Ray Tracing (physics) |
| LLT | Lower-Level Terms (MedDRA) |
| LM | Life Magazine |
| LMC | Library Media Connection |
| LMCC | Library Marketing and Communications Conference |