Treutlen County is a county located in the east central. & Magnolia midlands portion of the U.S. state of Georgia. As of the 2020 census, the population was 6,406. The county seat is Soperton. It is host to the Million Pines Arts and Crafts Festival which occurs during the first weekend in November.

John Adam Treutlen, born Hans Adam Treuettlen was a businessman who served as the first elected governor of Georgia, from 1777 to 1778. He was a leader in Georgia during the American Revolution and helped write Georgia's first constitution. He arrived in Colonial America as an indentured servant and rose to become a wealthy merchant and landowner. He became a member of the Georgia House of Representatives, serving in 1782 until his assassination.