LCP
- Circular polarization
- Clinical psychology
- LCP array
- LCP theory
- LCPL
- La Chaîne parlementaire
- Lance Corporal
- Landing Craft Vehicle Personnel
- Large Combustion Plant Directive
- Latvijas Centrālās Padomes
- Le Chatelier's principle
- League of Legends Championship Pacific
- Least cost planning methodology
- Lebanese Communist Party
- Legg–Calvé–Perthes syndrome
- Liberal Country Party
- Liberal Party of Australia (Victorian Division)
- Library Company of Philadelphia
- Light compensation point
- Linear complementarity problem
- Link Control Protocol
- Liquid Crystal Polymer
- Little Computer People
- Liverpool Care Pathway for the Dying Patient
- Livestock Compensation Program
- Living cationic polymerization
- Locking Compression Plate
- London College of Communication
- Polyunsaturated fatty acid
- Readium LCP
- Ruger LCP
- Temporary residency
- Toyota Land Cruiser Prado