Stratham is a town in Rockingham County, New Hampshire, United States. The town had a population of 7,669 at the 2020 census. It is bounded on the west by the Squamscott River. The town is the home of the only U.S. Lindt & Sprüngli factory and the headquarters of the Timberland Corporation.

Rockingham County is a county in the U.S. state of New Hampshire. As of the 2020 census, the population was 314,176, making it New Hampshire's second-most populous county. The county seat is Brentwood. Rockingham County is part of the Boston-Cambridge-Newton, MA-NH Metropolitan Statistical Area and the greater Boston-Worcester-Providence, MA-RI-NH-CT Combined Statistical Area. Per the 2020 census, it was New Hampshire's fastest growing county from 2010 to 2020.