Contra-alt-klarinet
- longName: Contra-alto Clarinet
- shortName: C-a. Cl.
- description: Contra-alto Clarinet
- musicXMLid: wind.reed.clarinet.contra-alto
- clef: not set
- transposingClef: G
- concertClef: F
- barlineSpan: 1
- aPitchRange: 30-70
- pPitchRange: 30-75
- transposeDiatonic: -12
- transposeChromatic: -21