| Algua | |
| Official Name: | Comune di Algua |
| Coordinates: | 45.8333°N 52°W |
| Region: | Lombardy |
| Province: | Province of Bergamo (BG) |
| Frazioni: | Frerola, Pagliaro, Rigosa, Sambusita |
| Mayor: | Pier Angelo Acerbis |
| Area Total Km2: | 8.1 |
| Population Footnotes: | [1] |
| Population Total: | 670 |
| Population As Of: | 28 February 2017 |
| Population Demonym: | Alguesi |
| Elevation M: | 432 |
| Postal Code: | 24010 |
| Area Code: | 0345 |
Algua is a comune (municipality) in the Province of Bergamo in the Italian region Lombardy, located about 60km (40miles) northeast of Milan and about 15km (09miles) north of Bergamo.
The municipality of Algua contains the frazioni (subdivisions, mainly villages and hamlets) Frerola, Pagliaro, Sambusita and Rigosa.
Algua borders the following municipalities: Aviatico, Bracca, Costa di Serina, Nembro, San Pellegrino Terme, Selvino, Serina, and Zogno.