New York State Route 37 (NY 37) is a state highway in the North Country of New York in the United States, extending for 127.40 miles (205.03 km) on a west–east axis. The western terminus of the route is at an intersection with U.S. Route 11 (US 11) in Pamelia, Jefferson County. Its eastern terminus is at a junction with US 11, NY 11B, and NY 30 in Malone, Franklin County. In between the termini, NY 37 passes through Ogdensburg and Massena. It is a two-lane, nondivided, full access roadway for most of its entire length, except for portions between Massena and western Franklin County, where the route widens to a four-lane divided highway.

U.S. Route 11 (US 11) is a part of the United States Numbered Highway System that runs from New Orleans, Louisiana, to the Canada–United States border at Rouses Point, New York. In the state of New York, US 11 extends for 318.66 miles (512.83 km) from the Pennsylvania state line south of the Southern Tier city of Binghamton to the Canada–United States border at the North Country village of Rouses Point, where it becomes Route 223 upon entering Quebec. The portion of US 11 south of Watertown follows a mostly north–south alignment and is paralleled by Interstate 81 (I-81) while the part of the route north of Watertown follows a more east–west routing, parallel to but not directly on the St. Lawrence River.