Prostyle

thumb|Northeast view of the Temple of Athena Nike, a prostyle temple (but also an [[amphiprostyle temple, since there is a row of columns at the back as well)]] thumb|The Roman temple of Bziza, a [[tetrastyle prostyle temple]]

Prostyle and Prostylos (), literally meaning "with columns in front", is an architectural term designating temples (especially Greek and Roman) featuring a row of columns on the front. The term is often used as an adjective when referring to the portico of a classical building, which projects from the main structure. First used in Etruscan and Greek temples, this motif was later incorporated by the Romans into their temples.