LNP may refer to:

In science

Lecture Notes in Physics, a book series in the field of physics. Linear-Nonlinear-Poisson cascade model, a model of neural responses. Lipid nanoparticles, a drug delivery system in pharmacology. LNP section, a structural steel standard for a family of unequal angle steel sections.

In sport Lega Nazionale Professionisti, Italian football league. Liga Nacional Profesional, Honduran football league.

In politics and government

Liberal–National Coalition, Australia Liberal National Party of Queensland Liberian National Police Local Nature Partnership, environmental coalitions in England

Others Local number portability, of telephone numbers Lonesome Pine Airport, Virginia, US, IATA code LNP (newspaper), Lancaster, Pennsylvania, US LNP Media Group, publisher of the LNP newspaper