XMP may refer to: Computing Cray X-MP, a supercomputer Extensible Metadata Platform, an ISO standard for the creation, processing and interchange of metadata for all kinds of resources Extreme Memory Profile, information about a computer memory module, used to encode higher-performance memory timings Gaming eXpanded MultiPlayer (U2XMP), the multiplayer expansion to Unreal II Unreal Tournament: Expanded Multiplayer (UT:XMP), a total conversion of expanded multiplayer for Unreal Tournament 2004 Exotic matter pulse burster, a weapon in the game Ingress Other uses Extremely Metal-Poor, stars, galaxies and related Xanthosine monophosphate, an intermediate in purine metabolism