The 2015 Five Star Movement presidential primary election was held online in January 2015 to determine the Five Star Movement candidate in the 2015 Italian presidential election.
[1][2][3] Ferdinando Imposimato, former Member of the Parliament and honorary president of Supreme Court of Cassation, won the primary with a plurality of the vote, but ultimately lost the presidential election to Sergio Mattarella, coming in second on the fourth ballot.