Ardsley is a village in Westchester County, New York, United States. It is part of the town of Greenburgh. The village's population was 4,452 at the 2010 census. The mayor of Ardsley is Nancy Kaboolian.
The Ardsley post office serves the entire village of Ardsley, plus some nearby unincorporated sections of Greenburgh. The Ardsley Union Free School District includes the entire village of Ardsley plus parts of the village of Dobbs Ferry and unincorporated parts of Greenburgh. Ardsley has a library that is a member of the Westchester Library System.
Ardsley should not be confused with the nearby hamlet of Ardsley-on-Hudson, which is part of the village of Irvington.
Prior to European settlement Ardsley and its surrounding area was inhabited by the Wickquasgeck tribe, a band of the Wappinger, related to the Lenape (Delaware) tribes which dominated lower New York state and New Jersey.
After the Dutch came to the area, the land was part of the B