| Acronym | Definition |
|---|
| LAI | Leaf Area Index |
| LAI | Logic and Artificial Intelligence |
| LAI | Lean Aerospace Initiative |
| LAI | Lean Advancement Initiative (MIT) |
| LAI | Local Area Identity |
| LAI | Location Area Identify |
| LAI | Local Application Interface |
| LAI | Library of Ancient Israel |
| LAI | Latin American Idol (talent TV show) |
| LAI | Lambda Alpha International (honorary land economics society) |
| LAI | Lea Artibai Ikastetxea (Spanish school cooperative) |
| LAI | Long-Acting Injection |
| LAI | Liberal Arts Institute (various locations) |
| LAI | Landscape Artists International |
| LAI | Laboratory-Acquired Infection |
| LAI | Lachman Associates, Inc. (Westmont, IL) |
| LAI | Light Armored Infantry |
| LAI | Location Area Identification |
| LAI | Laboratory Audit Inspection (EPA) |
| LAI | Local Access Infection |
| LAI | Ley de Acceso a la Información (Guatemala) |
| LAI | Look Ahead Interflow |
| LAI | Laboratory Analytical Instruments |
| LAI | Lesson Administration Instruction |
| LAI | Laboratory Associated Infection |
| LAI | Low Airspeed Indicator |
| LAI | Linear Antenna Impedance |