Atwater
- Ann Atwater
- Attwater
- Atwater (CDP), Ohio
- Atwater (Montreal Metro)
- Atwater Avenue
- Atwater Library of the Mechanics' Institute of Montreal
- Atwater Market
- Atwater Township, Portage County, Ohio
- Atwater Village, Los Angeles
- Atwater system
- Atwater v. City of Lago Vista
- Atwater, California
- Atwater, Georgia
- Atwater, Illinois
- Atwater, Minnesota
- Atwater, Saskatchewan
- Atwater, Wisconsin
- Barry Atwater
- Caleb Atwater
- Dorence Atwater
- Edwin Atwater
- Harry Atwater
- Helen W. Atwater
- Isaac Atwater
- James E. Atwater
- Jeff Atwater
- Jeremiah Atwater
- John Atwater
- Lee Atwater
- Mary Meigs Atwater
- Montgomery Atwater
- Reuben Atwater
- Richard M. Atwater
- Richard and Florence Atwater
- Steve Atwater
- Tanya Atwater
- Tony Atwater
- United States Penitentiary, Atwater
- Wilbur Olin Atwater
- William Atwater (curator)