The Palau del Parlament de Catalunya is the assembly hall of the Parliament of Catalonia, located in Barcelona. It was built between 1717 and 1727 as the arsenal of the Ciutadella, to designs of Jorge Próspero de Verboom.

The Parliament of Catalonia is the unicameral legislature of the autonomous community of Catalonia. The Parliament is currently made up of 135 members, known as deputies, who are elected for four-year terms or after extraordinary dissolution, chosen by universal suffrage in lists of four constituencies, corresponding to the Catalan provinces. The Parliament building is located in Ciutadella Park, Barcelona.