The title compound, (C(4)H(10)NO)(2)[CoCl(4)], is an ionic compound consisting of two protonated tetra-hydro-1,4-oxazine (morpholine) cations and a [CoCl(4)](2-) dianion. The Co(II) ion is in a tetra-hedral coordination geometry. The cations exhibit chair-shaped conformations. A three-dimensional supra-molecular architecture is formed through N-H⋯Cl and C-H⋯Cl hydrogen bonds between the dianions and the cations.