PPR
- Fantasy football (gridiron)
- NASA
- Nuclear pulse propulsion
- PPR (company)
- Partido Popular Republicano
- Partido Progressista Reformador
- Pentatricopeptide repeat
- Peste des petits ruminants
- Philosophy and Phenomenological Research
- Pirate Party of Russia
- Policía de Puerto Rico
- Polish People's Republic
- Politieke Partij Radicalen
- Polska Partia Robotnicza
- Polypropylene random copolymer
- Portland Pattern Repository
- Post-punk revival
- Private product remaining
- Projection Pursuit Regression
- Puerto Ricans for Puerto Rico Party
- Romanian Popular Party