Harmonium (disambiguation)
# Harmonium (disambiguation)

A harmonium or pump organ is a reed organ that generates sound with foot- or hand-pumped bellows.

Harmonium may also refer to:

* Harmonium (fictional creature), a creature in the 1959 novel The Sirens of Titan
* Harmonium (poetry collection), a 1923 collection of poetry by Wallace Stevens
* Hooke's atom or harmonium, an artificial helium-like atom
* Former name for a restricted Boltzmann machine, a generative stochastic neural network
* The earliest ringtone maker, released in 1997
* Harmonium (film), a 2016 Japanese film

## Music

* Harmonium (Adams), a large-scale work for orchestra and chorus by American composer John Coolidge Adams
* Harmonium (band), a 1970s Québécois band
   * Harmonium (Harmonium album), the eponymous release by the same band
* Harmonium (Vanessa Carlton album), a 2004 album by Vanessa Carlton
* A song by P-MODEL from the album One Pattern
* Harmonium, alternative name for the Appalachian dulcimer
