West Chazy is a hamlet and census-designated place in the town of Chazy in Clinton County, New York, United States. As of the 2020 census, West Chazy had a population of 558.
West Chazy is located in the southwestern part of the town of Chazy along the Little Chazy River, which flows northeastward to Lake Champlain. New York State Route 22 passes through the hamlet, leading south to Plattsburgh, the county seat, and north to Mooers. The hamlet of Chazy is to the northeast along county roads.
According to the United States Census Bureau, the West Chazy CDP has a total area of , all land.
The census-designated place is within the Beekmantown Central School District.