LZR may refer to:

• Lzr - a variant of the Stoned computer virus
• LZR (Lempel - Ziv - Renau) - a lossless data compression algorithm
• LZR - the ICAO airline code for the Bulgarian airline Air Lazur
• LZR - the International Air Transport Association airport code for Lizard Island Airport in Australia
• LZR Racer - a high-end Speedo swimsuit
• Led Zeppelin Remasters - a compilation album of remastered material by rock group Led Zeppelin

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