Amerikas forente stater
- Watertown, en by i Litchfield County, Connecticut
- Watertown, fylkesset for Codington County, Sør Dakota
- Watertown, en by i Middlesex County, Massachusetts
- Watertown, en by i Carver County, Minnesota
- Watertown, fylkesete for Jefferson County, New York
- Watertown, en by i Wilson County, Tennessee
- Watertown, by som ligger mellom Dodge County og Jefferson County, Wisconsin