NLP commonly refers to:
- Natural language processing, a field of computer science and linguistics
- Neuro-linguistic programming, a pseudoscientific method aimed at modifying human behavior
Computer programming
- Natural-language programming, a programming paradigm
Libraries
Mathematics
- Nonlinear programming, solving optimisation problems with nonlinear constraints
Medicine
- No light perception, a diagnosis of severe blindness
Political parties
- National Liberal Party (disambiguation)
- National Liberation Party (disambiguation)
- National Labour Party (disambiguation)
- Natural Law Party, a trans-national union of political parties, with national branches in over 80 countries