This article gives an overview of liberalism in Peru. It is limited to liberalparties with substantial support, mainly proved by having had a representation in parliament. The sign ⇒ means a reference to another party in that scheme. For inclusion in this scheme it isn't necessary so that parties labeled themselves as a liberal party.
Traditional liberalism wasn't successful in Peru. From time to time there existed more or less liberal parties. The Popular Action (Acción Popular) and the Union for Peru (Unión por el Perú) are nowadays more or less liberal parties.