QR

The acronym QR stands for:

• Qatar Airways, as the airline's IATA code
• Quadratic reciprocity
• Quake Rally
• Qualitative reasoning
• Queensland Rail, Australian Railway Company
• Queen's Rangers
• Quick release
• Quick Response, a two-dimensional code, see QR Code
• Quiet Riot, hard rock band from California, USA
• QR decomposition and QR algorithm
• QR measure value for the slope of the wheel flanges of railway wheels
• Quarter, a colloquial term for the U.S. quarter dollar coin; see U.S. dollars
• Quarter, various Anglo-American units
• Qatari riyal ( Qatar Riyal ), the currency of the Gulf State of Qatar
• Nippon Cultural Broadcasting, Inc., a radio station in Tokyo, Japan - JOQR

• Disambiguation
• Abbreviation