* English Horn (Cor Anglais) - A larger oboe, pitched in F, with a mellow, rich tone.
* D'amore Oboe - A smaller oboe, pitched in A, with a sweet, warm sound.
* Baritone Oboe - A larger oboe, pitched in F or E♭, with a dark, rich tone.
* Heckelphone - A very large oboe, pitched in C or B♭, with a deep, resonant sound.
* Musette (Oboe da Caccia) - A Baroque oboe with a pear-shaped bell and a soft, reedy tone.