Oswego River (New York)

The Oswego River () is a river in upstate New York in the United States. It is the second-largest river (after the Niagara River) flowing into Lake Ontario. James Fenimore Cooper’s novel The Pathfinder, or The Inland Sea is set in the Oswego River valley.

The name Oswego is a Mohawk name that means "flowing out", or specifically, "small water flowing into that which is large".