| Ranzanico | |
| Official Name: | Comune di Ranzanico |
| Coordinates: | 45.7833°N 65°W |
| Region: | Lombardy |
| Province: | Bergamo (BG) |
| Mayor: | Renato Freri |
| Area Total Km2: | 7.21 |
| Population Footnotes: | [1] |
| Population Total: | 1219 |
| Population As Of: | 30 November 2016 |
| Population Demonym: | Ranzanicesi |
| Elevation M: | 519 |
| Postal Code: | 24060 |
| Area Code: | 035 |
Ranzanico (Bergamasque: Ransaních) is a comune (municipality) in the Province of Bergamo in the Italian region of Lombardy, located about 70km (40miles) northeast of Milan and about 25km (16miles) northeast of Bergamo.
Ranzanico borders the following municipalities: Bianzano, Endine Gaiano, Gandino, Monasterolo del Castello, Peia, Spinone al Lago.