2023 Italian by-elections

One by-election was held in Italy in 2023. The election was held at the same time as the 2023 Trentino-Alto Adige/Südtirol provincial elections and Foggia's local elections.

Lombardy 06: Monza
A by-election was held in the constituency of Monza on 22 and 23 October 2023 to replace Senator and former prime minister Silvio Berlusconi (Forza Italia),  who died of leukemia on 12 June 2023. Forza Italia member Adriano Galliani won the election with 51.46% of the votes. His main opponent in the election, right-to-die activist Marco Cappato, conceded defeat.