| Reeds Spring Formation | |
| Type: | Formation |
| Age: | Mississippian Osagean Series |
| Prilithology: | Limestone |
| Otherlithology: | Shale, chert[1] |
| Namedfor: | Reeds Spring, Stone County, Missouri |
| Namedby: | Moore in 1928[2] |
| Region: | Southwestern Missouri |
| Country: | United States |
| Underlies: | Elsey Formation |
| Overlies: | Pierson Formation |
The Reeds Spring Formation is a geologic formation in southwestern Missouri. It preserves fossils dating back to the Osagean Series of the Mississippian subperiod.