En geometria, un políedre estelat uniforme (o estrellat) és un políedre uniforme que s'interseca a si mateix. De vegades també se'ls anomena políedre no convex per implicar l'auto-intersecació. Cada políedre pot contenir bé cares en forma de polígon estelat, bé figures de vèrtex de polígons estelats, o ambdues coses alhora.
El conjunt complet de 57 políedres estelats uniformes no prismàtics inclou els 4 regulars –anomenats els políedres de Kepler–Poinsot, 5 quasiregulars i 48 semiregulars. A part, també hi ha dos conjunts infinits de prismes estelats uniformes i antiprismes estelats uniformes.
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