2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/98102We prove that any compact selfdual Einstein 4-orbifold of positive scalar curvature whose isometry group contains a 2-torus is, up to an orbifold covering, a quaternion Kaehler quotient of (k-1)-dimensional quaternionic projective space by a (k-2)-torus for some $k\geq 2$. We also obtain a topological classification in terms of the intersection form of the 4-orbifold.14 pages; substantially revised with the addition of a new classification result and some missing details in the proofsDifferential GeometryMathematical Physics53C25text