Lewiston is a village in Niagara County, New York, United States. The population was 2,701 at the 2010 census. The village is named after Morgan Lewis, an early 19th-century governor of New York. It is part of the Buffalo–Niagara Falls Metropolitan Statistical Area.

Niagara County is in the U.S. state of New York. As of the 2020 census, the population was 212,666. The county seat is Lockport. The county name is from the Iroquois word Onguiaahra; meaning the strait or thunder of waters. The county is part of the Western New York region of the state.