Barnum (disambiguation)
- Barnham (disambiguation)
- Barnum (musical)
- Barnum Township, Carlton County, Minnesota
- Barnum effect
- Barnum's American Museum
- Barnum, Iowa
- Barnum, Minnesota
- Barnum, Texas
- Barnum, West Virginia
- Barnum, Wisconsin
- George S. Barnum
- Gertrude Barnum
- H. B. Barnum
- Harvey C. Barnum Jr.
- Henry A. Barnum
- Marcus H. Barnum
- P. T. Barnum
- Poozeum
- USS Harvey C. Barnum Jr.