Massena is a town in St. Lawrence County, New York, United States. Massena is along the county’s northern border, just south of the St. Lawrence River and the Three Nations Crossing of the Canada–United States border. The population was 12,883 at the 2010 census. The town of Massena contains a village in addition to named Massena.

Massena was one of the first towns granted in St. Lawrence county, but was not incorporated until 1802 taking into consideration it was formed from the town of Lisbon. The town and its village are named after André Masséna, a general and Marshal to Napoleon during the Napoleonic Wars.

The town suffered natural disasters in the 1944 Cornwall-Massena earthquake and in the January 1998 North American ice storm. In 1928 it was the scene of the antisemitic Massena blood libel.

Up until the 1880s, the town was predominantly agricultural, mainly house to butter and cheese production. Aside from the dairy farmers (and the blacksmiths, craftsmen, and shopkeepers who served them), the town boasted the Massena Springs, a pair of sulfur springs, one warm and the supplementary cold, reputed to possess healing powers known to the Native Americans past European settlement. In 1820, an Army veteran, Captain John Polley, hoping to capitalize on the properties, opened a hotel and began to advertise them. By 1858, three hotels, numerous rental cottages, a bathing house, and a plant that bottled and sold the spring water, had been built. By roughly 1900, the Springs’ status as a popular resort had faded.