| Ono San Pietro | |
| Official Name: | Comune di Ono San Pietro |
| Native Name: | Dò |
| Coordinates: | 46.0178°N 10.3292°W |
| Province: | (BS) |
| Area Total Km2: | 13.94 |
| Population Footnotes: | [1] |
| Population Total: | 998 |
| Population As Of: | 2011 |
| Population Demonym: | Onesi |
| Elevation M: | 516 |
| Saint: | Sant'Alessandro |
| Postal Code: | 25050 |
| Area Code: | 0364 |
Ono San Pietro (Camunian: Dò) is a town and comune in the province of Brescia, in Lombardy. It is located in the Camonica valley, above the right bank of the river Oglio, and at the foot of Mt. Concarena. Neighbouring communes are Capo di Ponte, Cerveno, Ceto and Paisco Loveno.