Comer is a city in Madison County, Georgia, United States. It had a population of 1,512 as of the 2020 census, up from 1,126 in 2010. Comer is the largest city in Madison County based on population and total land area. The city is included in the Athens-Clarke County Metropolitan Statistical Area, part of the Atlanta-Athens-Clarke County-Sandy Springs Combined Statistical Area.

Madison County is a county located in the northeastern part of the U.S. state of Georgia. As of the 2020 census, the population was 30,120. The county seat is Danielsville. The county was created on December 5, 1811. The county's largest city is Comer with a population of 1,200.