| Acronym | Definition |
|---|
| ALE | Automatic Link Establishment |
| ALE | Application Link Enabling |
| ALE | Atomic Layer Epitaxy |
| ALE | Alewife (FAO fish species code) |
| ALE | Agence Locale pour l'Emploi (Belgium) |
| ALE | Address Latch Enable |
| ALE | Agence Locale de l'Energie (French: Local Energy Agency) |
| ALE | Alcohol Law Enforcement |
| ALE | Atlanta Linux Enthusiasts |
| ALE | Alliance Libre Européenne (French: European Free Alliance) |
| ALE | Additional Living Expense (insurance) |
| ALE | Application Level Event |
| ALE | Association Liégeoise d'Electricité (French: Liege Electricity Association; Liege, Belgium) |
| ALE | Attribute-Logic Engine |
| ALE | Annual Loss Expectancy |
| ALE | Arid Lands Ecology Reserve |
| ALE | Advanced Learning Environment |
| ALE | Application Launching and Embedding (Citrix technology to present data to users) |
| ALE | Adaptive Line Enhancement (technique) |
| ALE | Address Lifetime Expectation (IETF) |
| ALE | Arctic Learning Environment |
| ALE | Apple Lossless Encoding |
| ALE | Application Linking and Embedding |
| ALE | Arbitrary Langrangian-Eulerian (code) |
| ALE | Alarm Enable |
| ALE | Automated Link Establishment |
| ALE | Alpine, TX, USA - Alpine Texas (Airport Code) |
| ALE | airlift liaison element (US DoD) |
| ALE | Army Liaison Element (US Army) |
| ALE | Air Launched Expendable |
| ALE | Airport Lighting Equipment |
| ALE | Atmospheric Lifetimes Experiment |
| ALE | AIRES Lifecycle Extension |
| ALE | Automatic Live Encoding |
| ALE | Agencia Laín Entralgo (Madrid, Spain) |
| ALE | Ammunition Lethality Enhancement |
| ALE | Approvals Liaison Engineer |
| ALE | Atmospheric Luminosity Experiment |
| ALE | Arizona LAN Enthusiasts |
| ALE | Automatic Link Equipment |
| ALE | Active Launching and Embedding (Citrix Systems) |
| ALE | Applied Learning Experience |
| ALE | ATM Link Enhancer |
| ALE | Always Leave Early (sports) |
| ALE | Account Level Equivalence (computer security) |
| ALE | Airport Landing Equipment |
| ALE | Automated Logistics Environment (US DoD) |
| ALE | Alternative Learning Experience |
| ALE | Ajax Linking & Embedding (software) |
| ALE | Auditors' Local Evaluation (UK) |
| ALE | Automatic Link Exchange (software) |
| ALE | Ancestry Library Edition (genealogical database) |
| ALE | Alleanza Libera Europea (Italian: Italian Free Alliance) |