An igneous intrusion is a form of geologic feature.

Intrusion may also refer to:

Saltwater intrusion, the movement of saline into freshwater aquifers Intrusion (orthodontics), the movement of a tooth into bone Intrusion, an object on a page which causes a textual runaround (typography) Intrusion (play), an American play by Qurrat Ann Kadwani Intrusion (film), a 2021 American psychological thriller Intrusion (novel), a 2012 British sci-fi novel by Ken MacLeod

See also

Intruder (disambiguation) Intruders (disambiguation) Intruso (disambiguation) Extrusion