Decorative panel, in particular a floor panel, ceiling panel or wall panel, comprising a core layer having an upper side and a lower side, a decorative top layer connected to said upper side of the core layer, a first panel side edge comprising a first coupling profile, and a second panel side edge comprising a second coupling profile designed to interconnect with a first coupling profile of a second, identical panel, both in horizontal direction and in vertical direction, wherein the core layer comprises a layer of foam concrete which is constituted by a matrix of concrete material in which air pockets in the form of cells are present.