PRR

PRR is an abbreviation for:

• Pattern-Recognition Receptor , a surface molecule of cells of the immune system
• Pennsylvania Railroad , a former US railroad company
• Princes Risborough railway station , station code PRR station of the English town of Princes Risborough
• Petroplus refinery Reichstett , a former refinery in France

This is a disambiguation page for differentiating between several terms identified with the same word.