Torre Cajetani is a comune (municipality) in the Province of Frosinone in the Italian region Lazio, located about east of Rome and about northwest of Frosinone.
Torre Cajetani borders the following municipalities: Fiuggi, Guarcino, Trivigliano.
The name derives from the Caetani family.
Since 2003, the city has maintained a partnership with Brwinow near Warsaw in Poland.