XM (disambiguation)

Xm or XM may refer to:


 * XM Satellite Radio, a US and Canadian radio company now merged into Sirius XM Holdings.
 * XM (file format), a computer file format for music
 * XM (album), a live-in-studio album recorded by Porcupine Tree
 * BMW XM, an full-size luxury performance SUV made by BMW
 * Citroën XM, a discontinued executive car made by Citroën
 * C.A.I. First or Alitalia Express (IATA code XM, 1997-2005), an Italian airline
 * A nonstandard Roman numeral for 990 (standard is CMXC)
 * (6903) 1989 XM, a main belt minor planet
 * Cross-matching of blood products