Alberto Carlos Garzón Espinosa (Spanish pronunciation: [al'ße?to 'ka?los ?a?'?on espi'nosa]; born 9 October 1985) is a Spanish politician and economist, member of the Communist Party of Spain (PCE) and United Left (Izquierda Unida, IU) since 2003.
In the 2011 general election, he was elected as an MP within that coalition.
He has been the Secretary of Constituent Process in IU from 2014 to 2016 and in 2015 he was elected as an IU candidate for that year's general election.
He is a researcher in University Pablo de Olavide in Sevilla.