Installation may refer to:

• Installation (Christianity), a Christian liturgical act that formally makes a clergyman assume office of his appointed position at a particular place

• Installation (computer programs), the act of making the program ready for execution

• Installation art, an artistic genre of three-dimensional works that are often site-specific and designed to transform the perception of a space

• Military installation, a grouping of facilities that constitute a permanent military base

See also

• Install (disambiguation)

• Setup (disambiguation)