| Bruno Valentini | |
| Office: | Mayor of Siena |
| Term Start: | 11 June 2013 |
| Term End: | 25 June 2018[1] |
| Predecessor: | Franco Ceccuzzi |
| Successor: | Luigi De Mossi |
| Birth Date: | 29 May 1955 |
| Birth Place: | Colle di Val d'Elsa, Tuscany, Italy |
| Party: | Italian Communist Party (1973-1991) Democratic Party of the Left (1991-1998) Democrats of the Left (1998-2007) Democratic Party (since 2007) |
| Alma Mater: | University of Siena |
| Profession: | bank employee |
Bruno Valentini (born 29 May 1955 in Colle di Val d'Elsa) is an Italian politician.[1]
Valentini started his political career in Siena and then as a municipal councillor in Monteriggioni, Tuscany, in 1995.[1] He served as Mayor of Monteriggioni from 2004 to 2013.[1] He has been a member of the Democratic Party since 2007.[1]
Valentini was elected Mayor of Siena on 11 June 2013.[1] [2] He ran for a second term at the 2018 Italian local elections, but was defeated by the centre-right candidate Luigi De Mossi.[3]