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The molecule of the binuclear title complex, [Cu2(C8H7O2)4(C10H8N2)2]·2H2O, is located on an inversion centre. The Cu atoms are bridged by two O atoms of the monodentate phenylacetate groups [Cu—O = 1.9808 (14) and 2.3668 (14) Å]. The longer of the two bridging Cu—O bonds takes the apical position of the distorted square-pyramidal environment of the Cu atom, which is completed by two N atoms of the chelate 2,2′-bipyridine ligand [Cu—N = 2.0107 (17) and 2.0234 (16) Å]. The molecules are assembled into stacks along [100] through π–π interactions with interplanar distances of 3.630 (4) and 3.407 (3) Å; the resulting stacks are further connected into a three-dimensional supramolecular architecture by O—H...O and C—H...O hydrogen-bonding interactions.