| San Zenone al Lambro | |
| Official Name: | Comune di San Zenone al Lambro |
| Coordinates: | 45.3167°N 30°W |
| Region: | Lombardy |
| Metropolitan City: | Milan (MI) |
| Mayor: | Arianna Tronconi |
| Area Total Km2: | 7.24 |
| Population Footnotes: | [1] |
| Population Total: | 4498 |
| Population As Of: | 31 August 2016 |
| Population Demonym: | Sanzenonesi |
| Elevation M: | 83 |
| Postal Code: | 20070 |
| Area Code: | 02 |
San Zenone al Lambro (Milanese: San Zenon pronounced as /ˌsãː dzeˈnũː/, locally San Zanon pronounced as /ˌsãː dzaˈnũː/) is a comune (municipality) in the Metropolitan City of Milan in the Italian region Lombardy, located about 20km (10miles) southeast of Milan.
San Zenone al Lambro borders the following municipalities: Vizzolo Predabissi, Tavazzano con Villavesco, Cerro al Lambro, Sordio, Lodi Vecchio, Casaletto Lodigiano and Salerano sul Lambro. It is served by San Zenone al Lambro railway station.