Stjørdalshalsen (also known as Stjørdal or Halsen) is a town and the administrative centre of the municipality of Stjørdal in Nord-Trøndelag county, Norway. It is located between the rivers Stjørdalselva and Gråelva, and their mouth into the Trondheimsfjord.

The 7.28-square-kilometre (1,800-acre) town has a population (2009) of 10,779. The population density of the town is 1,481 inhabitants per square kilometre (3,840 /sq mi). Stjørdalshalsen was granted town status in 1997. The Nordland Line runs through the town, which is served by Stjørdal Station. The junction of the European route E14 and European route E6 highways is in Stjørdalshalsen, just north of Trondheim Airport, Værnes.