The Popular Democratic Party (French: Parti démocrate populaire, PDP) was a Christian democratic political party in France during the Third Republic. Founded in 1924, it represented the trend of French social Catholicism, while remaining a party embodying the ideology of centrism. The party's ideology was inspired by the popularism of Luigi Sturzo's Italian People's Party. The PDP was a co-founder in 1925 of the (SIPDIC).