Cwm may refer to:

• Closed World Machine - A data processor for the semantic web
• Common Warehouse Metamodel: in computer science, a specification for modeling metadata
• Corrie: in geology, a glaciation feature in high mountains
• cwm: in the Welsh language, a valley and toponym. Borrowed into the English language as a synonym for corrie
• Cwm Silicon
• Cwm, Denbighshire
• Cwm, Blaenau Gwent

See also

• CWM: disambiguation page for the initials.