List of Interstate Highways in New Hampshire

Interstate Highways of the New Hampshire Highway System
Highway marker for Interstates 93 and 293
System information
Formed:	August 14, 1957
Highway names
Interstates:	Interstate nn (I-nn)
System links
New Hampshire Highway System Interstate U.S. State Turnpikes

The Interstate Highways in New Hampshire comprise three current primary Interstate Highways and two auxiliary Interstates. In addition, one auxiliary Interstate number has been decommissioned.