The following is a list of forts in South Dakota.
| width= 200px class="unsortable" | Name | width= 100px | County | width= 85px | Built | width= 210px class="unsortable" | Notes |
|---|---|---|---|---|---|---|---|
| 1870 | Originally called the Post at Cheyenne (River) Indian Agency until 1878. | ||||||
| 1863 | |||||||
| 1862 | Dismantled in 1873. | ||||||
| 1890 | |||||||
| 1875 | |||||||
| 1856 | |||||||
| 1890 | Built in response to the Sioux Ghost Dance Uprising. | ||||||
| 1875 | |||||||
| 1863 | |||||||
| 1876 | This Camp Crook was located in Custer. | ||||||
| 1876 | This Camp Crook was located near Pringle. | ||||||
| 1876 | |||||||
| 1876 | Later evolved into the town of Pactola. | ||||||
| 1865 | |||||||
| 1874 | Also known as Gordon Stockade, Union Stockade, and Camp Harney. | ||||||
| 1862 | |||||||
| 1857 | |||||||
| 1898 | |||||||
| 1870 | |||||||
| 1870 | Also called Post at Lower Brulé Indian Agency or Fort Lower Brule. | ||||||
| 1865 | Also known as Fort la Roche or Fort des Roche. | ||||||
| 1863 | |||||||
| 1856 | |||||||
| 1863 | |||||||
| 1878 | Known in its early days as Camp Ruhlen and Camp Sturgis. | ||||||
| 1859 | |||||||
| 1831 | |||||||
| 1874 | |||||||
| 1856 | |||||||
| 1925 | |||||||
| 1876 | |||||||
| 1876 | Also known as Camp Collier, Camp Jennings, Military Station, and Camp Red Canyon. | ||||||
| 1859 | |||||||
| 1878 | |||||||
| 1864 | |||||||
| 1890 | |||||||
| 1875 | |||||||
| 1863 | Also known as Fort Bartlett. | ||||||
| 1866 | |||||||
| 1875 | Set up by the Newton–Jenney Party. | ||||||
| 1864 | |||||||
| 1875 | Used by the Newton–Jenney Party. | ||||||
| 1857 | |||||||
| 1870 | |||||||
| 1862 |