Joan Lluhí i Vallescà was a Spanish lawyer and politician. He was a member of the Republican Left in Catalonia, and served in the Second Spanish Republic as Minister of Labor, Health and Social Assurance.

The Republican Left of Catalonia is a pro-Catalan independence, social-democratic political party in the Spanish autonomous community of Catalonia, with a presence also in Valencia, the Balearic Islands and the French department of Pyrénées-Orientales. It is also the main sponsor of the independence movement from France and Spain in the territories known as Catalan Countries, focusing in recent years on the creation of a Catalan Republic in Catalonia proper. Its current president is Oriol Junqueras and its secretary-general is Marta Rovira. The party is a member of the European Free Alliance.