Nine West, also known as 9 West, is an American online fashion retailer which is based in White Plains, New York. It was founded in 1983 and closed its brick and mortar stores business in 2018. Its products continue to be sold at other retailers.

White Plains is a city and the county seat of Westchester County, New York, United States. It is the 29th-largest municipality in the state of New York, an inner suburb of New York City, and a commercial hub of Westchester County, a densely populated suburban county that is home to about one million people. White Plains is located in south-central Westchester County. Its downtown is 25 miles (40 km) north of Midtown Manhattan.