| Acronym | Definition |
|---|
| LAP | Liberty Alliance Project |
| LAP | Laboratory Accreditation Program |
| LAP | Learning Assistance Program (special education) |
| LAP | Link Access Protocol |
| LAP | Link Access Procedure |
| LAP | Leukocyte Alkaline Phosphatase |
| LAP | Laser Applications (radiation therapy laser vendor) |
| LAP | Left Atrial Pressure |
| LAP | Liberian Action Party (Liberia) |
| LAP | Local Air Pollution |
| LAP | LEED Accredited Professional (United States Green Building Council) |
| LAP | Lohamah Psichlogit (Hebrew: psychological warfare, Mossad department) |
| LAP | Lagardère Active Publicité (France) |
| LAP | Logistics Assistance Program |
| LAP | Liver Activator Protein |
| LAP | Load, Assemble & Pack |
| LAP | La Paz, Baja California Sur, Mexico - Aeropuerto General Marquez De Leon (Airport Code) |
| LAP | Laryngeal Adductor Paralysis |
| LAP | Language for Academic Purposes |
| LAP | Letter of Adoption and Procurement (military) |
| LAP | Library Association of Portland |
| LAP | Lifetime Annuity Payout |
| LAP | Lesbian and Proud |
| LAP | Large Area Processing |
| LAP | Lipopolysaccharide-Associated Protein |
| LAP | Louisiana Association of Principals |
| LAP | Local Authentication Plugin (Microsoft Windows CE) |
| LAP | Low Altitude Performance |
| LAP | Local Access Port (frame relay) |
| LAP | Laboratory Analytical Protocol |
| LAP | Launcher Avionics Package |
| LAP | Laboratorio Accreditato de Prova (Accredited Testing Lab, Italy) |
| LAP | Local Analysis Point |
| LAP | Launch Assembly Plan |
| LAP | LIDAR Atmospheric Profiler |
| LAP | Location Audit Program |
| LAP | Local Average Power |
| LAP | Local Administrator Processor (Cisco) |
| LAP | Light Armor Platoon |
| LAP | Laboratory Associates Program |
| LAP | Lyophilized Anterior Pituitary (tissue) |
| LAP | Localised Area for Play (playground design) |