Solvay is a village located in Onondaga County, New York. United States.
According to the 2000 census, the village had a total population of 6,845.
The village is named after the Solvay brothers, Belgian inventors of the chemical process employed by the Solvay Process Company, formerly the major industry of the village.
The Village of Solvay is located in the Town of Geddes, immediately west of the City of Syracuse south of the New York State Fairgrounds (far westside).
Its eastern boundary is shared with Syracuse. The village is south of the east end of Onondaga Lake and is also south of Interstate 690.
According to the United States Census Bureau, the village has a total area of 1.6 square miles (4.2 km), all of it land.