| Acronym | Definition |
|---|
| LAO | Legislative Analyst's Office (California) |
| LAO | Laos (ISO Country code) |
| LAO | Legal Aid Ontario |
| LAO | Legislative Assembly of Ontario (Canada) |
| LAO | Learn Arabic Online (website) |
| LAO | Linear Alpha Olefin (chemical compound) |
| LAO | Left Anterior Oblique (radiology) |
| LAO | Local Administrative Order (Michigan) |
| LAO | Lead Agency Official |
| LAO | League of American Orchestras |
| LAO | Legal Assistance Office |
| LAO | Lysine-Arginine-Ornithine Binding Protein |
| LAO | Logistics Assistance Office |
| LAO | Lao Airlines, Laos (ICAO code) |
| LAO | Leuvens Alumni Orkest (Symphonic Orchestra; Belgium) |
| LAO | Local Area Office |
| LAO | Location Administrative Officer |
| LAO | Limited Attack Option |
| LAO | Laboratory Assessment Office |
| LAO | Local Area Operations |