| Acronym | Definition |
|---|
| LLO➣Lower Level Orchestrator |
| LLO➣Object Oriented Deductive Language |
| LLO➣Ligo Livingston Observatory (Livingston, LA) |
| LLO➣Listeriolysin O (hemolysin) |
| LLO➣Low Lunar Orbit |
| LLO➣Large Lakes Observatory (Duluth, Minnesota) |
| LLO➣Lipid-Linked Oligosaccharide |
| LLO➣Light-toned Layered Outcrops (Valles Marineris Walls, Mars) |
| LLO➣Local Loop Operators (Kenya) |
| LLO➣Lakeshore Light Opera (Canada) |
| LLO➣Laser Local Oscillator |
| LLO➣Logical Lines of Operation (US Army) |
| LLO➣Legislative Liaison Office |
| LLO➣Legislative Liaison Officer (US Army) |
| LLO➣Lead Laboratory Office |
| LLO➣Loudoun Lyric Opera (Virginia) |
| LLO➣Logistics Liaison Office |
| LLO➣Leverletto (knife) |
| LLO➣Large Leverage Operator |