| Acronym | Definition |
|---|
| IAL | Issues in Applied Linguistics (journal; University of California, Los Angeles) |
| IAL | Intel Architecture Lab |
| IAL | Internet Access List |
| IAL | Institute for Advanced Learning |
| IAL | Isuzu Australia Limited (vehicles) |
| IAL | I Am Legion |
| IAL | Intel Architecture Labs |
| IAL | International Auxiliary Language |
| IAL | International Association of Laryngectomees |
| IAL | I Am Leaving |
| IAL | International Algebraic Language |
| IAL | International Association for Lichenology (est. 1967) |
| IAL | Institute for Adult Learning (Ohio Valley College) |
| IAL | Insurance Advisory Letter |
| IAL | Internal Address List |
| IAL | I'm A Loser (Beatles song) |
| IAL | Internet Auction List |
| IAL | Infrared Aiming Light |
| IAL | Immediate Action Letter |
| IAL | I Actually Laughed |
| IAL | Instrument Activity List |
| IAL | Illinois Agricultural Lands |
| IAL | Internal Auxiliary Launcher |
| IAL | Irvine Analytical Laboratories, Inc. |
| IAL | Invercargill Airport Ltd. (New Zealand) |