A polyhedron is a solid in three dimensions with flat polygonal faces, straight edges and sharp corners or vertices.
An intersection of half-spaces in n-dimensional space is also called a polyhedron; for this concept see n-dimensional polyhedron.
Polyhedron may also refer to:
Polyhedron (magazine), formerly Polyhedron Newszine, a former magazine targeting consumers of role-playing games Polyhedron (journal), a scientific journal covering the field of inorganic chemistry
See also Abstract polyhedron Polyhedrin, a protein that forms Baculovirus occlusion bodies