An accordion is part of a family of musical instruments.
Accordion may also refer to: Any object with features resembling an accordion or its bellows Accordion cut, a technique in butchery similar to butterflying Accordion (GUI), a graphical user interface widget displaying a list where individual members of the list can be expanded or collapsed Accordion (film), a 1934 Soviet musical film Accordion (solitaire), a solitaire card game "Accordion" (Madvillain song) Accordion (company), an American consulting company
See also Accordion effect, in physics The Accordionist, a 1911 painting by Pablo Picasso