2018 President of the Italian Senate election

The President of the Senate of the Republic is the presiding officer of the Italian Senate. The President of the Senate is the second highest-ranking office of the Italian Republic.

The Legislature XVIII of Italy started on 23 March 2018 and ended on 12 October 2022. The composition of the Chamber of Deputies and of the Senate is the one resulting from the 4 March 2018 election, called after the dissolution of the Parliament announced by President Sergio Mattarella on 28 December 2017.

The 2018 Italian general election was held on 4 March 2018 after the Italian Parliament was dissolved by President Sergio Mattarella on 28 December 2017. Voters were electing the 630 members of the Chamber of Deputies and the 315 elective members of the Senate of the Republic for the 18th legislature of the Italian Republic since 1948. The election took place concurrently with the Lombard and Lazio regional elections. No party or coalition gained an absolute majority in the parliament, even though the centre-right coalition won a plurality of seats as a coalition, and the Five Star Movement (M5S) won a plurality of seats as an individual party.

The president of Italy, officially denoted as president of the Italian Republic is the head of state of Italy. In that role, the president represents national unity, and guarantees that Italian politics comply with the Constitution. The president is the commander-in-chief of the Italian Armed Forces and chairs the High Council of the Judiciary. A president's term of office lasts for seven years. The incumbent president is former constitutional judge Sergio Mattarella, who was elected on 31 January 2015, and re-elected on 29 January 2022.

Giorgio Napolitano is an Italian politician who served as president of Italy from 2006 to 2015, the first Italian president to be re-elected to the presidency. Due to his dominant position in Italian politics, some critics have sometimes referred to him as Re Giorgio. In office from 2006 to 2015, he is the longest-serving and longest-lived president in the history of the modern Italian Republic, which has been in existence since 1946.

The Five Star Movement is a political party in Italy. Its leader and president is Giuseppe Conte, Prime Minister of Italy from 2018 until 2021. The M5S was founded on 4 October 2009 by Beppe Grillo, a comedian and blogger, and Gianroberto Casaleggio, a web strategist. The party is primarily described as populist, of the syncretic kind, due to its members' insistence that it has no place in the left–right political spectrum.