Investigators said a 71-year-old man and 74-year-old woman, both from Kennesaw, were trying to cross a street when they were struck by a car late Friday.
Police say they were not in a crosswalk at the time, and were pronounced dead at the scene.
Their names were not immediately released.
Police said the driver of a dark-colored Nissan Sedan fled the scene without stopping.
The 10 p.m. accident is under investigation.