New York State Route 151 (NY 151) is an 8.23-mile (13.24 km) state highway located in Rensselaer County, New York, in the United States. Its western terminus is at an interchange with the U.S. Route 9 (US 9) and US 20 in Rensselaer, and its eastern terminus is at a junction with NY 150 in Shivers Corners, a hamlet in the town of Schodack. It also has an intersection with US 4 in East Greenbush. NY 151 was assigned to most of its current alignment as part of the 1930 renumbering of state highways in New York. In Rensselaer, NY 151 has been altered several times, with the most recent change coming in the late 1990s. The current western terminus of NY 151 was once the western terminus of NY 43.