PPR
PPR may refer to:

Politics and government
 Partido Popular Republicano, a political party in El Salvador
 Partido Progressista Reformador, a Brazilian party (1993–1995)
 Pirate Party of Russia (founded 2009)
 Policía de Puerto Rico, the Spanish abbreviation for the Puerto Rico Police
 Polish People's Republic, a Warsaw Pact member state (1947–1989)
 Politieke Partij Radicalen, a Dutch party (1968–1990)
 Polska Partia Robotnicza, the Polish Workers' Party (1942–1948)
 Puerto Ricans for Puerto Rico Party (; founded 2003)
 Romanian Popular Party, a Moldovan political party (founded 2013)

Science, technology and mathematics
 Pentatricopeptide repeat, a sequence motif in genetics
 Peste des petits ruminants, or ovine rinderpest (the French initialism is commonly used in English in Africa)
 Polypropylene random copolymer, a plastic used for potable water pipework
 Portland Pattern Repository, a web repository for computer programming design patterns
 Projection Pursuit Regression, a statistical learning method

Other uses
 PPR (company), a French luxury-brands and retail conglomerate
 Philosophy and Phenomenological Research, a bimonthly academic journal
 Points per reception, a scoring system for fantasy American football
 Private product remaining, a macroeconomic indicator
 Proper, in heraldry; see 
 Prior Permission Required, permission to land at an airport; see