Other
- Clark Griswold, fictional father from the National Lampoon's Vacation series
- Griswold v. Connecticut, landmark 1965 U.S. Supreme Court case invalidating law prohibiting the use of contraception
- Griswold (revolver), firearm produced at Griswoldville for Confederate forces during the American Civil War
- Hepburn v. Griswold, 1870 U.S. Supreme Court case declaring certain parts of the legal tender acts unconstitutional
- USS Griswold (DE-7), a U.S. Navy ship
- Griswold Airport, Madison, Connecticut
- Griswold (automobile), manufactured in Detroit in 1907
- Griswold, a brand of cast iron cookware from the late 19th century to the 1950s. See also: List of cast iron cookware manufacturers
- Griswold Signal Company, a manufacturer of traffic signals and railroad grade crossing signals based in Minneapolis, Minnesota
- The Griswold Inn, the oldest continuously-run tavern in the United States of America, located in Essex, Connecticut
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