Delavan may refer to a community in the United States:
- Delevan, California, formerly Delavan
- Delavan, Illinois
- Delavan, Kansas
- Delavan, Minnesota
- Delavan, Wisconsin, a city
- Delavan (town), Wisconsin, a town
- East Delavan, Wisconsin, an unincorporated community
- Delavan Lake, Wisconsin, a census-designated place
- Delavan Township, Illinois
- Delavan Township, Faribault County, Minnesota