XZ

XZ, X.Z., or xz may refer to:

Transportation

 * AeroItalia (IATA code: XZ), an Italian airline
 * South African Express SA Express (former IATA code: XZ), a former South African airline
 * XZ, a type of PSA X automobile engine

Computing

 * xz, a lossless data compression file format based on the LZMA algorithm, often with the file extension ".xz"
 * XZ Utils, a set of free lossless data compressors, including the xz command

Other uses

 * Tibet Autonomous Region (Guobiao abbreviation: XZ), China