MPP or M.P.P. may refer to:
- 1-methyl-4-phenylpyridine, a toxic metabolite of MPTP causing symptoms of Parkinson's disease
- Marginal physical product
- Master of Public Policy, an academic degree
- Merriweather Post Pavilion in Columbia, Maryland
- Merriweather Post Pavilion (album), the Animal Collective album named after the venue
- Modus ponens, a principle in propositional logic
Read more about MPP: Groups and Organizations, Science and Technology