| Official Name: | Municipio XII di Roma |
| Settlement Type: | Municipio of Rome |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: | Italy |
| Subdivision Type1: | Region |
| Subdivision Name1: | Lazio |
| Subdivision Type3: | Comune |
| Subdivision Name3: | Rome |
| Leader Title: | President |
| Leader Name: | Elia Tomassetti (Democratic Party) |
| Established Date: | 2013 |
| Unit Pref: | metric |
| Area Total Km2: | 73.1 |
| Population As Of: | 2010 |
| Population Total: | 142,983 |
| Population Density Km2: | 1955 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
Municipio XII is an administrative subdivision of the city of Rome. It was first created by Rome's City Council on 19 January 2001 and it has a president who is elected during the mayoral elections.
Originally called Municipio XVI, since 11 March 2013 its borders were modified and its name became Municipio XII.[1]
Municipio XII is divided into 7 urban zones:
| Locality | Inhabitants 31 December 2010 | |
| 16a Colli Portuensi | 36,970 | |
| 16b Buon Pastore | 31,628 | |
| 16c Pisana | 3,932 | |
| 16d Gianicolense | 56,214 | |
| 16e Massimina | 8,093 | |
| 16f Pantano di Grano | 5,112 | |
| 16x Villa Pamphili | 374 | |
| Not localized | 660 |
Current allocation of seats in the Municipio XII's parliamentary body as of the 2013 Rome municipal election:
In May 2013 Cristina Maltese (PD) was elected president. The current majority is formed by Democratic Party and Left Ecology Freedom.