noun

• A surname.
• An English surname originating as a patronymic of common usage in Wales and England.
• An Irish surname originating as a patronymic, an adopted anglicization of Mac Uilliam (McWilliam)
• A placename.
• A place in the United States.
• A city in Arizona; named for frontiersman Old Bill Williams.
• A city in Colusa County, California; named for early resident W. H. Williams.
• A city in Iowa.
• A city in Minnesota; named for early settlers William Mason and George Williams.
• A town in South Carolina.
• A census-designated place in Lawrence County, Indiana; named for postmaster Byrd E. Williams.
• A census-designated place in Josephine County, Oregon; named for nearby Williams Creek, itself for Army Captain Robert Williams.
• An unincorporated community in Modoc County, California.
• An unincorporated community in Adams County, Indiana.
• A ghost town in Nebraska; named for the founders' son, William.
• A river in Oregon.
• A river in Vermont; named for Puritan minister John Williams.
• A river in West Virginia.
• A place in Australia.
• A town in Western Australia; named for the nearby Williams River.
• A river in New South Wales.
• A river in Western Australia; probably named for William IV of the United Kingdom.