| Abbreviation | Definition |
|---|---|
| LITP | Lewiner Institute for Theoretical Physics |
| LITR | London Institute of Technology and Research |
| LKI | Lakshman Kadirgamar Institute |
| LKPITM | L.K. Phatak Institute of Technology and Management (India) |
| LLI | Latino Leadership Institute |
| LLI | Latinx Leadership Institute |
| LLI | Law and Leadership Institute |
| LLI | Leader to Leader Institute |
| LLI | Lejeune Leadership Institute |
| LLI | Lifelong Learning Institute |
| LLI | Lifelong Learning Institutes |
| LLI | Lifetime Learning Institute |
| LLIF | LIMRA Leadership Institute Fellow |
| LLMI | Lifestyle Luxury Management Institute |
| LLMI | Luxury Lifestyle Management Institute |
| LLWI | Lake Louise Winter Institute |
| LMI | Leadership and Mentoring Institute |
| LMI | Linux Mark Institute |
| LMI | Lymphatic Malformation Institute |
| LMLI | Lockheed Martin Leadership Institute |