PRR may refer to:
- Parietal reach region, of the human brain
- Pattern recognition receptor, receptors of the innate immune system that identify pathogen-associated molecular patterns
- Pennsylvania Railroad (reporting mark), an American railroad
- Personal Role Radio, a radio carried by UK troops
- Pichi Richi Railway, a heritage railway in South Australia
- Populist radical right, a loose collection of political ideologies
- Porsche Rennsport Reunion, an automotive event
- Princes Risborough railway station (National Rail station code), England
- Production Rule Representation, a proposed computing standard
- Proportional reporting ratio, a statistic used in data mining for health surveillance systems
- Pseudo-response regulator, a group of genes that are important in the circadian oscillator of plants
- Pure Reason Revolution, a British rock group formed in 2003
- Rio-grandense Republican Party (Portuguese: Partido Republicano Rio-Grandense), a defunct Brazilian political party
See also
Topics referred to by the same term
This disambiguation page lists articles associated with the title PRR.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: