Upson County Courthouse is a historic courthouse in Thomaston, Georgia, the county seat of Upson County, Georgia.

It was built in 1908 at a cost of $50,000 in the Neoclassical style.

Segmental arched windows alternate with rectangular ones.

[2] It was extensively renovated in 1968 and was added to the National Register of Historic Places on September 18, 1980.

It is located in Courthouse Square.