| Type: | Uniform polyhedron |
| Faces: | 2 octagrams 8 squares |
| Edges: | 24 |
| Vertices: | 16 |
| Wythoff: | 2 8/3 | 2 |
| Schläfli: | s sr |
| Coxeter: | |
| Symmetry: | D8h |
| Vertex Config: | 8/3.4.4 |
| Dual: | octagrammic bipyramid |
| Properties: | nonconvex |
| Vertex Figure: | Octagrammic prism vertfig.png |
In geometry, the octagrammic prism is one of an infinite set of nonconvex prisms formed by square sides and two regular star polygon caps, in this case two octagrams.