The Union for the Republic (, UPR) was a centrist, Christian-democratic political party in San Marino. The party was formed on 4 March 2011 by a merger of the Centre Democrats (DdC) and Euro-Populars for San Marino (EPS).
During the Sammarinese election of 2012 the party ran as part of the losing Agreement for the Country alliance, obtaining 5 seats.
The party formed a coalition with the Popular Alliance for the Sammarinese election of 2016 and following their electoral success, the two parties created a new party, Future Republic.