A 2-year-old was struck in the foot, and a 13-year-old was also wounded, Savannah police spokeswoman Bianca Johnson.
Those injuries were not considered life-threatening, police said, NBC News reported.
The deceased was described only as an adult. Other victims have serious or critical injuries, police said.
The 9 p.m. attack happened in a housing development called Hitch Village/Fred Wessels Homes, Johnson said.
Additional details were not available, and it wasn't clear if any suspects were in custody.