* A Clarinet: Pitched a whole tone lower than the Bb clarinet, in the key of A. It is used in some orchestral and band music, as well as jazz and klezmer.
* Eb Clarinet: Pitched a third higher than the Bb clarinet, in the key of Eb. It is used in some orchestral and band music, as well as jazz and klezmer.
* Bass Clarinet: Pitched an octave lower than the Bb clarinet, in the key of Bb. It is used in orchestral and band music, as well as jazz and klezmer.
* Contra-alto Clarinet: Pitched an octave lower than the Eb clarinet, in the key of Eb. It is used in orchestral and band music, as well as jazz and klezmer.
* Contrabass Clarinet: Pitched an octave lower than the bass clarinet, in the key of Bb. It is used in orchestral and band music, as well as jazz and klezmer.
* Sopranino Clarinet: Pitched an octave higher than the Bb clarinet, in the key of Eb. It is used in some orchestral and band music, as well as jazz and klezmer.
* Bb Alto Clarinet: A rare instrument that is pitched between the Eb and Bb clarinets, in the key of Bb. It is sometimes used in orchestral and band music.