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.