New York State Route 134 (NY 134) is a 6.35-mile (10.22 km) state highway in the western part of Westchester County, New York, in the United States. It begins at an intersection with NY 133 in the village of Ossining and heads northeast to the hamlet of Kitchawan, located adjacent to the New Croton Reservoir in the town of Yorktown. From here, the route turns southeast to reach its east end at a junction with NY 100. The highway passes the Thomas J. Watson Research Center, one of the main research headquarters for IBM, just east of an interchange with the Taconic State Parkway.