An organ is an essential component of a machine. The term is applied metaphorically to various "systems", including the components of an organism or a government.
Organ may refer to:
- Organ (anatomy), a collection of tissues joined in structural unit to serve a common function.
- Organ (music), a family of keyboard musical instruments characterized by sustained tone.
- Pipe organ, a musical instrument that produces sound when pressurized air is driven through a series of pipes.
- Theatre organ, a pipe organ originally designed specifically for imitation of an orchestra
- Electronic organ, an electronic keyboard instrument .
- Organs of state, branches of power within a government.
- division (business) within an organization; i.e., Organs of United Nations.
- Organ pipe coral, a marine organism native to the Indian and Pacific Oceans.
- Stenocereus thurberi, the organ pipe cactus plant.
- The Organ, an indie rock band.
- Organ, Hautes-Pyrénées, a commune in France.
- The Organ, a UK music magazine run by Organart.
