New York State Route 261 (NY 261) is a north–south state highway located west of the city of Rochester in Monroe County, New York, in the United States. It extends for through mostly rural areas from an intersection with NY 104 on the Greece–Parma town line to a dead end at the Lake Ontario shoreline in Greece. The majority of NY 261 is situated on the boundary between the towns of Greece and Parma; however, the last of the route are located solely in Greece. NY 261 meets the Lake Ontario State Parkway southwest of Manitou Beach on the latter stretch.