Wikipedia
PPN
PPN may refer to:
- Guillermo León Valencia Airport
- Pre-Pottery Neolithic
- Pinoleville Pomo Nation
- Nigerien Progressive Party-African Democratic Rally, from the French acronym, Parti Progressiste Nigérien
- Pandit Pran Nath
- Parameterized post-Newtonian formalism
- Pingat Pangkuan Negara, a Malaysian honour
- Pedunculopontine nucleus
- Principal protected note, an investment product
- Protoplanetary nebula
- Parameterized post-Newtonian formalism, a classification system for different theories of gravity
- Pure proportional navigation, a variant of proportional navigation in which acceleration commands are perpendicular to the velocity vector of the missile
- Pharmacy Product Number
- Pacific Patriot Network