New Hampshire Route 136 (abbreviated NH 136) is a 17.459-mile-long (28.098 km) east–west state highway in Hillsborough County in southern New Hampshire.

The road connects New Boston and Peterborough.

The eastern terminus of NH 136 is at New Hampshire Route 13 in New Boston.

The entire route is in Hillsborough County.

This New Hampshire road-related article is a stub.