| Bertonico | |
| Official Name: | Comune di Bertonico |
| Native Name: | Bertùnoch, |
| Coordinates: | 45.2333°N 49°W |
| Region: | Lombardy |
| Province: | Lodi (LO) |
| Frazioni: | Brusada, Campolungo, Colombina, Monticelli |
| Mayor Party: | Lista Civica "Progetto per Bertonico" |
| Mayor: | Verusca Bonvini |
| Area Total Km2: | 20.2 |
| Population Total: | 1124 |
| Population As Of: | 30 April 2017[1] |
| Population Demonym: | Bertonicensi |
| Elevation M: | 63 |
| Saint: | Pope Clement I |
| Postal Code: | 20070 |
| Area Code: | 0377 |
Bertonico (Lodigiano: Bertùnoch or Bertünegh) is a comune (municipality) in the Province of Lodi in the Italian region Lombardy, located about 45km (28miles) southeast of Milan and about 15km (09miles) southeast of Lodi.
Bertonico borders the following municipalities: Ripalta Arpina, Moscazzano, Montodine, Turano Lodigiano, Castiglione d'Adda, Gombito, Terranova dei Passerini.
Economy is mostly based on agriculture and animal husbandry.