Smallwood may refer to:
- Surnames:
- Denis Smallwood, British RAF commander
- Imogen Smallwood, British writer, younger daughter of Enid Blyton
- Joey Smallwood, Canadian politician
- Kathy Smallwood-Cook, British sprinter
- Marrina Smallwood, fictional character in the Marvel Universe
- Rod Smallwood, music business manager
- Tucker Smallwood, American actor
- Walt Smallwood, baseball player
- William Smallwood, American general and politician
- Places:
- Smallwood, Cheshire
- Smallwood, New York
- Smallwood, Worcestershire
- Smallwood Reservoir, Labrador
- Fort Smallwood Park, Maryland
- Other:
- Dink Smallwood, computer role-playing game
- Littlewood