Petronia may refer to: Petronia, the monospecific genus of the rock sparrow, named after the Italian; Petronia gens, an ancient Rome family; Petronia City, a planned location in Ghana; Petronia cabinet, a 1969-1971 government in the Netherlands Antilles led by: Ernesto Petronia, Curaçao-born Aruban businessman and politician Petronian notation and Petronian motets, in Medieval music