| Acronym | Definition |
|---|
| ALI | American Law Institute |
| ALI | Acute Lung Injury |
| ALI | ATM (Asynchronous Transfer Mode) Line Interface |
| ALI | Alignment |
| ALI | American Language Institute (San Diego State University) |
| ALI | Apple Learning Interchange |
| ALI | Automatic Location Identification |
| ALI | Advanced Land Imager (NASA) |
| ALI | Adult Learning Inspectorate (UK) |
| ALI | Automatic Location Information |
| ALI | Annual Limit on Intake (radiation as established by ICRP) |
| ALi | Acer Labs Inc. |
| ALI | American Ladder Institute |
| ALI | Additional Liability Insurance |
| ALI | Association of Lebanese Industrialists |
| ALI | Asociación de Doctores, Licenciados e Ingenieros en Informática (Spanish) |
| ALI | Aegis Leap Intercept |
| ALI | Alarm Interface |
| ALI | Association Luxembourgeoise des Ingenieurs (Luxembourg) |
| ALI | Alabama Law Institute |
| ALI | Academie Linguistique Internationale (Montreal, Canada) |
| ALI | Advanced Logic Industries |
| ALI | Automotive Lift Institute, Inc. |
| ALI | Alpha Lamp Integration |
| ALI | Automated Location Identification |
| ALI | Application Layer Interface |
| ALI | Applied Language Institute |
| ALI | Architecture and Language Implementation |
| ALI | Aegis LEAP Interceptor |
| ALI | Army Library Institute |
| ALI | Artificial Language Intelligence (Nanosoft) |
| ALI | Airworthiness Limitation Item (aviation) |
| ALI | Allowable Limit of Intake |
| ALI | Annual Level of Intake |
| ALI | Automatic Logic Implementation |
| ALI | Avance Logic, Incorporated |
| ALI | Application Logic Interface |
| ALI | Automatic Line Integration |
| ALI | Anvil Logic, Inc. |
| ALI | Account Line Indicator |
| ALI | Automatic Line Indicator |
| ALI | Archaeological Legacy Institute (est. 1999; Oregon) |
| ALI | Analytical Laboratories, Inc. |