Cellere is a (municipality) in the Province of Viterbo in the Italian region of Latium, located about northwest of Rome and about northwest of Viterbo.
The main sight is the church of , designed by Antonio da Sangallo the Younger.
Cellere is mentioned for the first time in the 8th century AD, although a Roman origin has been speculated, under the name. Later it was part of the Papal States and of the Duchy of Castro, then again, until 1870, of the Papal States.