New York State Route 415 (NY 415) is a state highway located in Steuben County, New York, in the United States. It is a north–south trunk road that parallels in part, the Cohocton River, Interstate 86 (I-86) and I-390. The southern terminus of the route is at an intersection with NY 414 in the city of Corning. Its northern terminus is at a junction with NY 15 and NY 21 south of the village of Wayland. NY 415 serves several villages bypassed by the Southern Tier Expressway and I-390, such as Bath and Cohocton. The road also runs concurrent with New York State Bicycle Route 17 from its southern terminus to County Route 70A (CR 70A) in Avoca.