Catalan Solidarity for Independence (Catalan: Solidaritat Catalana per la Independència SI; IPA: [suɫiðəɾiˈtat kətəˈɫanə pər ɫə indəpənˈdɛnsiə]) is an electoral coalition in Catalonia founded in the summer of 2010 as an outcome of the grassroots social movement that initiated and organized the Catalonian independence referendums of 2009 and 2010.