The New Hampshire Turnpike System is a system of 93 miles (150 km) of limited-access highway, 36 miles (58 km) of which are part of the National Highway System, within the U.S. state of New Hampshire.

The Turnpike System is managed by the New Hampshire Department of Transportation (NHDOT) Bureau of Turnpikes.

There were a number of turnpikes built in New Hampshire during the period of 1796 to 1830, totaling 500 miles (800 km) in length.

[1] These were toll roads for horse traffic, which were built by private companies.

[1] Such early turnpikes included: There are three limited-access highways that make up the New Hampshire Turnpike System: The Blue Star and Spaulding Turnpikes are also known collectively as the Eastern Turnpike.