The title compound, neodymium(III) oxide nitrate, which is isostructural with LaO(NO(3)), arose from a solvothermal reaction. The Nd ion (site symmetry m) is ten-coordinated by eight O atoms of NO(3) groups and two μ(2)-oxide ions. A three-dimensional structure is constructed by the inter-connection of NdO(10) polyhedra. The oxide ion and the N atom and one of the nitrate O atoms possess site symmetry m.