Dewy Rose is a census-designated place and unincorporated community in Elbert County, Georgia, United States. Its population was 154 as of the 2010 census. Dewy Rose has a post office with ZIP code 30634. Georgia State Route 17 passes through the community.
A post office called Dewy Rose has been in operation since 1882. According to tradition, the community was named for the dewy rose the postmaster's daughter found.