| Official Name: | Ronchetto sul Naviglio |
| Settlement Type: | Quartiere of Milan |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: |  Italy |
| Subdivision Type1: | Region |
| Subdivision Name1: | Lombardy |
| Subdivision Type2: | Province |
| Subdivision Name2: | Milan |
| Subdivision Type3: | Comune |
| Subdivision Name3: | Milan |
| Subdivision Type4: | Zone |
| Subdivision Name4: | 6 |
| Unit Pref: | Imperial |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
Ronchetto sul Naviglio is a district ("quartiere") of Milan, Italy, part of the Zone 6 administrative division of the city. Before being annexed to Milan (in 1923), it has been an autonomous comune until 1870, and a frazione of Buccinasco between 1870 and 1923.
Ronchetto is probably named after an ancient cascina (farmhouse) by that name; in turn, the name of the cascina is derived from the Lombard word ronch, which refers to different types of cultivated areas.[1]
The original structure of the once rural settlement of Ronchetto is almost completely unrecognizable in the modern district, which has experienced a massive urbanization process in the 20th century and is now seamlessly connected to the urban agglomeration of Milan. A landmark of Ronchetto is a modern, 700adj=midNaNadj=mid bridge that crosses both the Naviglio Grande canal and the Milan-Mortara railway, connecting Ronchetto to the Giambellino-Lorenteggio district.
The district has been experiencing a long period of decay and is often described as a degraded area.[2] The Duomo Connection trial of the late 1980s revealed the extensive activity of the Mafia in the district.[3]
Ronchetto sul Naviglio is also remembered as the scene of a battle between Italian partisans and the German army, occurred on 25 April 1945, i.e., the very day when Italy proclaimed its liberation from the German rule.