| Acronym | Definition |
|---|
| LLL➣L-Size X 3 (Triple Large) |
| LLL➣Live & Let Live |
| LLL➣La Leche League |
| LLL➣L-3 Communications (stock symbol) |
| LLL➣Long Lost Love |
| LLL➣Lower Left Lid |
| LLL➣Life Long Learning |
| LLL➣Lifelong Language Learning |
| LLL➣Live Linux List |
| LLL➣Living Like Larry (Spongebob Squarepants) |
| LLL➣Left Lower Lobe (lung) |
| LLL➣Low Level Laser |
| LLL➣Live Love Laugh |
| LLL➣Learning Language in Logic (workshop) |
| LLL➣Lutheran Laymen's League |
| LLL➣Long, Long, Long (Beatles song) |
| LLL➣Lawrence Livermore Laboratory |
| LLL➣Location, Location, Location |
| LLL➣Low Light Level (camera) |
| LLL➣Low Location Lighting |
| LLL➣Low Level Language |
| LLL➣Live Laugh Learn (various organizations) |
| LLL➣Low-Level Light |
| LLL➣Lenstra, Lenstra, and Lovasz (lattice reduction algorithm) |
| LLL➣Legal Lending Limit (banking) |
| LLL➣Licentiate of Law |
| LLL➣Loony Liberal Left |
| LLL➣Language, Linguistics and Literature (education) |
| LLL➣Live Life Loud (Charlbury, Oxfordshire, UK festival) |
| LLL➣Late Life Lesbian |
| LLL➣Low-Level Logic |
| LLL➣Low Liquid Level |
| LLL➣Liquid-Like Layer (ice) |
| LLL➣Longer Letter Later (on the end of a note) |
| LLL➣Light, Life and Love (mysticism) |
| LLL➣Live Life Large |
| LLL➣Leiden Law Library (Netherlands) |
| LLL➣Logistics Lesson Learned |
| LLL➣Leased Long Line |
| LLL➣Limited Loss Liability |
| LLL➣Loyal Lusitanian Legion (Peninsular War) |
| LLL➣Longitudinal Level of the Lesion (neurology) |
| LLL➣Lessons Learned Line |