Underwood
- Justice Underwood (disambiguation)
- Mount Underwood (New Zealand)
- New Underwood, South Dakota
- Revenue Act of 1913
- USS Underwood (FFG-36)
- Undervud
- Underwood (Ninjago)
- Underwood (surname)
- Underwood Dudley
- Underwood Township, Redwood County, Minnesota
- Underwood Typewriter Company
- Underwood, Bruce County, Ontario
- Underwood, Indiana
- Underwood, Iowa
- Underwood, Markham
- Underwood, Minnesota
- Underwood, New York
- Underwood, Newport
- Underwood, North Dakota
- Underwood, Nottinghamshire
- Underwood, Queensland
- Underwood, Tasmania
- Underwood, Washington
- Underwood-Memorial Hospital
- Underwood-Petersville, Alabama
- Weston Underwood, Buckinghamshire
- Weston Underwood, Derbyshire
- William Underwood Company
- Wood veneer
- Wotton Underwood