New Hampshire Route 27 (abbreviated NH 27) is a 37.621 mi long east–west highway in southeastern New Hampshire. The western terminus of NH 27 is in Hooksett at U.S. Route 3 and New Hampshire Route 28 north of Manchester. The eastern terminus is in Hampton Beach at New Hampshire Route 1A, which runs along the New Hampshire coastline adjacent to the Atlantic Ocean.
New Hampshire Route 27 is an important, major highway.