| Abbreviation | Definition |
|---|---|
| LOY | Laboratory of the Year |
| LPA | Laboratory Products Association |
| LPAC | Laboratory for Processing of Advanced Composites |
| LPBS | Laboratory of the Physics of Biological Systems |
| LPC | Laboratory Pasteurized Count |
| LPCB | LactoPhenol Cotton Blue |
| LPDS | Laboratory Of Parallel And Distributed Systems |
| LPDS | Laboratory Of Protein Dynamics And Signaling |
| LPE | Laboratorio de Parasitología y Ecotoxicología |
| LPH | Lactase Phlorizin Hydrolase |
| LPHL | local public health laboratory |
| LPL | LipoProtein Lipase |
| LPL | Liquid Propulsion Laboratory |
| LPL | Long Pocket Laboratories |
| LPL | Lunar and Planetary Laboratory |
| LPM | Laboratory for Personalized Medicine |
| LPP | Laboratory Proficiency Program |
| LPP | Leak Point Pressure |
| LPPA | Laboratory of Physiology of Perception and Action |
| LPPC | Laboratory for Particle Physics and Cosmology |