Waynesville is an unincorporated community and census-designated place (CDP) in Brantley County, Georgia, United States. It is part of the Brunswick, Georgia metropolitan statistical area. Its ZIP code is 31566. It was first listed as a CDP in the 2020 census with a population of 331.

Waynesville derives its name from Wayne County, of which it once was a part of. Records are contradictory so it is unclear when exactly Waynesville held the county seat.

Waynesville is located near the old Post Road which is the dividing line between the counties of Brantley and Glynn.

Historical population

Census	Pop.	Note	%±
2020	331		—
U.S. Decennial Census 2020

Waynesville CDP, Georgia – Racial and ethnic composition
Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.

Race / Ethnicity (NH = Non-Hispanic)	Pop 2020	% 2020
White alone (NH)	288	87.01%
Black or African American alone (NH)	11	3.32%
Native American or Alaska Native alone (NH)	0	0.00%
Asian alone (NH)	3	0.91%
Pacific Islander alone (NH)	0	0.00%
Some Other Race alone (NH)	4	1.21%
Mixed Race or Multi-Racial (NH)	14	4.23%
Hispanic or Latino (any race)	11	3.32%
Total	331	100.00%

At the 2020 census, its population was 331.

List of county seats in Georgia (U.S. state)

• The Story of Miss Goertner Mumford