XW, X.W., or Xw can refer to:
- XW GS, a model of Ford vehicle
- XW Falcon, a model of Ford vehicle
- XW, a model of PSA X engine
- XW-35, a thermonuclear warhead for the first generation of ICBMs
- X-wing, a type of space vehicle in the Star Wars universe
- Xw, a digraph used in the Tlingit language to represent /xʷ/: see List of Latin digraphs
- ⟨x̱w⟩, a digraph used in Alaskan Tlingit to represent /χʷ/: see List of Latin digraphs