Troy is an unincorporated village and census-designated place (CDP) in the town of Troy, Orleans County, Vermont, United States.

The CDP is in northwestern Orleans County, in the west-central part of the town.

Its western border is the town line with Westfield.

Route 100 leads northeast 7 miles (11 km) to its northern terminus at Route 105 in Newport Center, and south 8 miles (13 km) to Lowell, while Route 101 leads north 6 miles (10 km) to North Troy next to the Canadian border.

The river flows north into Quebec, then turns west, passes the north end of the Green Mountains, and reenters Vermont, where it continues to Lake Champlain.