| Spilsby Sandstone | |
| Type: | Formation |
| Period: | Early Cretaceous |
| Prilithology: | Sandstone |
| Region: | England |
| Country: | United Kingdom |
| Unitof: | Cromer Knoll Group |
| Subunits: | Upper, Lower Spilsby Sandstone Members |
| Underlies: | Claxby Ironstone |
| Overlies: | Kimmeridge Clay Formation |
| Thickness: | To c.24m |
| Extent: | Onshore: South Lincolnshire Offshore: Wash, North Sea |
The Spilsby Sandstone is a geologic formation in England. It preserves fossils dating back to the Cretaceous period.