| Acronym | Definition |
|---|
| LEO | Low Earth Orbit |
| LEO | Leopard (German tank) |
| LEO | Law Enforcement Officer |
| LEO | Law Enforcement Online |
| LEO | Learn English Online |
| LEO | Los Elfos Oscuros (Spanish: The Dark Elves) |
| LEO | Link Everything Online |
| LEO | Literacy Education Online |
| LEO | Law Enforcement Organization |
| LEO | Leander Extended Opportunity (Leander, TX) |
| LEO | Lyons Electronic Office |
| LEO | Long-term Ecosystem Observatory |
| LEO | Law Enforcement Office (National Park Service) |
| LEO | Lingua Et Opinio (electronic journal; German) |
| LEO | Launch and Early Orbit |
| LEO | Leadership Experience Opportunity |
| LEO | Local Exchange Officer |
| LEO | Leading Empowered Organisations (leadership initiative, nursing) |
| LEO | Lose Electrons Oxidation |
| LEO | Let Export Order |
| LEO | Local Economic Opportunities (Kingston, NY) |
| LEO | Leaders of East Orlando (Florida, USA) |
| LEO | Low Energy Orbit |
| LEO | Listen, Enrich, Optimize (business consulting process) |
| LEO | Low Elliptical Orbit |
| LEO | Logistics and Engineering Operations |
| LEO | Labour Enforcement Officer (India) |
| LEO | Local Exchange Order |
| LEO | Lake Environmental Outreach |