In the title salt, [ReO(2)(C(5)H(5)N)(4)]I(3), the cation and anion are both located on centres of symmetry. The Re(V) atom adopts a trans-ReO(2)N(4) octa-hedral coordination and short intra-molecular C-H⋯O contacts occur within the cation. In the crystal, the cations form layers perpendicular to [100] and a weak C-H⋯O inter-action links the cations.
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