| Costa Serina | |
| Official Name: | Comune di Costa Serina |
| Coordinates: | 45.8167°N 53°W |
| Province: | (BG) |
| Frazioni: | Ascensione, Trafficanti, Ambriola |
| Mayor: | Fausto Dolci |
| Area Total Km2: | 12 |
| Population Footnotes: | [1] |
| Population Total: | 898 |
| Population As Of: | 30 June 2017 |
| Population Demonym: | Costaserinesi |
| Elevation M: | 868 |
| Saint: | St. Lawrence |
| Day: | 10 August |
| Postal Code: | 24010 |
| Area Code: | 0345 |
Costa Serina (Bergamasque: Còsta) is a comune in the province of Bergamo, in Lombardy, northern Italy. Neighbouring communes are Algua, Aviatico, Bracca, Cornalba, Gazzaniga, Serina, Vertova and Zogno.