| Acronym | Definition |
|---|
| ALO | Animal Liberation Orchestra (band) |
| ALO | Austrian Literature Online (database) |
| ALO | Allocate |
| ALO | At Least Once |
| ALO | Access List Object |
| ALO | Assessing Learning Outcomes (various organizations) |
| ALO | Air Liaison Officer |
| ALO | Academie Voor Lichamelijke Opvoeding |
| ALO | Austin Lyric Opera (Texas) |
| ALO | Administrative Law Officer (various locations) |
| ALO | Apraxia of Eyelid Opening (motor abnormality) |
| ALO | Afghanistan Liberation Organisation |
| ALO | Andrew Loog Oldham (former Rolling Stones manager) |
| ALO | Alliance for a Living Ocean |
| ALO | Arab Labour Organization |
| ALO | Access Line Optical (telecommunications) |
| ALO | Authorized Level Of Organization |
| ALO | A Live One (Phish album) |
| ALO | Albuquerque Operations Office (US Department of Energy) |
| ALO | Allegheny Commuter Airlines (ICAO code) |
| ALO | Abraham Lincoln Online (website) |
| ALO | Waterloo, IA, USA - Waterloo Municipal Airport (Airport Code) |
| ALO | Audit Liaison Officer |
| ALO | Aegis Light Off |
| ALO | Artillery Liaison Officer |
| ALO | Army Liaison Officer (US Army) |
| ALO | Accounting Liaison Office |
| ALO | Agency Liaison Officer |
| ALO | Airland Operations |
| ALO | Alpha Laser Optimization |
| ALO | Atlanta Lawyers' Orchestra (Atlanta, GA) |
| ALO | Army Learning Object |
| ALO | Airlock Outfitting |
| ALO | Architect Liaison Officer (UK) |
| ALO | Allied Liaison Office(r) |
| ALO | Axiolinguoocclusal |
| ALO | Assembly Line Order (Northrop Grumman) |