Guildhall is a town in and the shire town (county seat) of Essex County, Vermont, United States. The population was 261 at the 2010 census. According to a large sign in the town center, it is the only town in the world so named. The name derives from a meeting house on the square called the Guildhall.
Guildhall is part of the Berlin, NH–VT Micropolitan Statistical Area.