A number of townships in the United States, listed under Clay Township.
A surname originating as an occupation.
A census-designated place in Sacramento County, California, United States.
A town, the county seat of Clay County, West Virginia, United States.
A male given name transferred from the surname.
A diminutive of the male given name Clayton.
Any of numerous governmental districts.
The District Line of the London Underground, originally known as the District Railway.
The District of Columbia, the federal district of the United States.