The Battle of Carthage State Historic Site is a state park, historic site, and recreation area in Carthage, Missouri. It is most noted for being one of the skirmish sites of the Battle of Carthage, which took place during the American Civil War.

Created in 1990, the Battle of Carthage State Historic Site may be relatively small for a state park with only 7.4 acres, but it is packed with things to see and learn. Being the site where the earliest full-scale battle of the Civil War took place, it is just natural to preserve the area. It features a quiet meadow and a spring, where the encampments of both Union and Confederate forces were once found.

The Battle of Carthage State Historic Site is located just a couple of minutes off the Interstate 44.