Cassino is a city in the province of Frosinone in Lazio. Number two city in the province for population, for centuries it was the main centre of the Terra di San Benedetto, annexed since the Middle Ages to the Terra di Lavoro. The last city to the south of the Latina Valley.

Cassino (Italian pronunciation: [kassino]) is a comune in the province of Frosinone, Southern Italy, at the southern end of the region of Lazio, the last city of the Latin Valley.