LNP may refer to:
- Lega Nazionale Professionisti, Italian football league
- The Coalition (Australia) of the Liberal and National parties of Australia
- Liberal National Party of Queensland, a formally merged Queensland political party.
- Liberian National Police, the national police force in Liberia.
- Linear-Nonlinear-Poisson cascade model, a model of neural responses.
- Local number portability, a method for reassigning a telephone number to another carrier, location or service type
- Lonesome Pine Airport, the airport in Virginia with that IATA code.
- The National Liberal Party (UK, 1931), also known as the Liberal National Party, a political party in the United Kingdom between the 1930s and 1960s
- LNP section, a structural steel standard for a family of unequal angle steel sections