Chaplin is an unincorporated community and census-designated place in Nelson County, Kentucky, United States. As of the 2020 census, Chaplin had a population of 440. Chaplin has a post office with ZIP code 40012, which opened on January 4, 1832. U.S. Route 62 passes through the community.
According to the U.S. Census Bureau, the community has an area of ; of its area are land, and is covered by water.