Formello is a municipality in the province of Rome in the Italian region Latium, 12,119 inhabitants (as of 31 December 2012). It is 28 kilometers north of Rome.
Formello lies between the Monti Sabatini and the valley of the Tiber. The municipality is part of the Regional Park of Veio.
Giacomo Sandri (center - left coalition ) was elected Mayor for the second time in May 2007. His center-left alliance also with 11 of 16 seats, the majority in the City Council.