Loreto is a small municipality in the Beni Department in northern Bolivia, capital of the Marbán Province and Loreto Municipality. In 2001, Loreto had a population of 843.
Loreto was the first of the Jesuit Missions of Moxo to be founded. Loreto Mission was founded in 1682.
Camba Spanish is the primary vernacular lingua franca spoken in the town. Loretano, a Moxo dialect, is the main indigenous language spoken.