Wolcott may refer to:
- Places in the United States
- Wolcott, Colorado
- Wolcott, Connecticut
- Wolcott, Indiana
- Wolcott, Kansas
- Wolcott, New York
- Wolcott, Vermont
- Wolcott Junction, Wyoming
- Fort Wolcott (Rhode Island)
- People
- Frank Wolcott, Union Army officer, rancher, and old west law man and outlaw
- James Wolcott, American writer and critic
- Jesse P. Wolcott, U.S. Representative from Michigan
- Josiah O. Wolcott, U.S. Senator from Delaware
- Marion Post Wolcott, U.S. photographer for the Farm Security Administration
- Oliver Wolcott, one of the signers of the United States Declaration of Independence
- Oliver Wolcott, Jr., 2nd United States Secretary of the Treasury and Governor of Connecticut
- Roger Wolcott (Massachusetts), Governor of Massachusetts
- Roger Wolcott (Connecticut), Governor of Connecticut
- Edward Oliver Wolcott, Colorado Senator