|Counties||Clayton, DeKalb, Henry|
|Elevation||853 ft (260 m)|
|Time zone||UTC-5 (Eastern (EST))|
|• Summer (DST)||UTC-4 (EDT)|
|Area code(s)||770 / 678 / 470|
|GNIS feature ID||331649|
Ellenwood is an unincorporated community in Clayton, Henry, and DeKalb counties in the U.S. state of Georgia. The community is a southeast suburb of Atlanta and is located along Interstate 675 and Georgia State Route 42.
Ellenwood has a post office with ZIP code 30294.
The Atlanta Federal Records Center of the National Archives is in Ellenwood.
MARTA serves the suburb.