2015 Five Star Movement presidential primary election
# 2015 Five Star Movement presidential primary election

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.

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.

## Candidates

| Name | Office(s) held | Profession |
| - | - | - |
| Ferdinando Imposimato (1936–2018) | Member of the Senate (1987 – 1992; 1994 –1996) Other positions Member of the Chamber of Deputies (1992–1994) | Magistrate |
| Romano Prodi (born 1939) | President of the European Commission (1999–2004) Other offices President of the Democratic Party (2007–2009) Prime Minister of Italy (1996 – 1998; 2006 – 2008) Member of the Chamber of Deputies (1996–1999; 2006 – 2008) Minister of Industry, Commerce and Crafts (1978–1979) | University professor |
| Nino Di Matteo (born 1961) | Member of the High Council of the Judiciary (2019 – present) | Magistrate |
| Pierluigi Bersani (born 1951) | Secretary of the Democratic Party (Italy) (2009–2013) Other offices Minister of Economic Development (2006–2008) Minister of Industry, Commerce and Crafts (1996–1999) President of Emilia-Romagna (1996–1998; 2006–2008) Member of the Chamber of Deputies (2006–2022) Member of the European Parliament (2004–2006) | Career politician |
| Gustavo Zagrebelsky (born 1943) | President of the Constitutional Court (2004) Other positions Judge of the Constitutional Court (1995–2004) | Jurist |
| Raffaele Cantone (born 1963) | President of the National Anticorruption Authority (2014–2019) | Magistrate |
| Elio Lannutti (born 1948) | Member of the Senate (2008–2013; 2018–2022) | Journalist |
| Salvatore Settis (born 1941) | N/A | Rector |
| Paolo Maddalena (born 1936) | Vice President of the Constitutional Court of Italy (2010–2011) Other offices Judge of the Constitutional Court of Italy (2002–2011) | Magistrate |

## Results

| Candidate | Candidate | Party | Votes | % |
| - | - | - | - | - |
| | Y Ferdinando Imposimato | Independent | 16,635 | 34.45% |
| | Romano Prodi | Democratic Party | 10,288 | 21.31% |
| | Nino Di Matteo | Independent | 6,693 | 13.86% |
| | Pierluigi Bersani | Democratic Party | 5,787 | 11.99% |
| | Gustavo Zagrebelsky | Independent | 5,547 | 11.49% |
| | Raffaele Cantone | Independent | 3,341 | 6.92% |
| | Elio Lannutti | Five Star Movement | 1,528 | 3.16% |
| | Salvatore Settis | Independent | 1,517 | 3.14% |
| | Paolo Maddalena | Independent | 392 | 0.81% |
| Total | Total | Total | 48,282 | 100.00 |
