| Acronym | Definition |
|---|
| LEG | Legal |
| LEG | Legislative |
| LEG | Legislator |
| LEG | Legato (music: In A Smooth and Gliding Manner) |
| LEG | Legget (Amtrak station code; Legget, CA) |
| LEG | League of Extraordinary Gentlemen |
| LEG | Legal Department (International Monetary Fund) |
| LEG | Least Developed Countries Expert Group (UN) |
| LEG | Legionella Pneumophila |
| LEG | Learning Environments Group |
| LEG | Liquefied Ethylene Gas |
| LEG | Linaro Enterprise Group (software development) |
| LEG | Leggett & Platt, Inc. (stock symbol) |
| LEG | Licensed Engineering Geologist (professional status; Washington) |
| LEG | Lukens Energy Group (various locations) |
| LEG | London Electricity Group (London, UK) |
| LEG | Library Education Group |
| LEG | Logistical Expediting Group |
| LEG | Legal Extension Group |
| LEG | Liquefied Energy Gas (natural or petroleum) |
| LEG | Local Emergency Generator (engineering) |
| LEG | Landesentwicklunggesellschaft |
| LEG | Late Error Gate |
| LEG | Logistic Evaluation Group |