Leptinopterus tibialis is a species of beetles belonging to the family Lucanidae.

Leptinopterus tibialis can reach a length of about 14–38 millimetres (0.55–1.50 in) in the males, about 15–18 millimetres (0.59–0.71 in) in the females.

Males have well-developed mandibles, with several teeth of various sizes in the interior edges.

This quite rare species occurs in Argentina, Brazil and Paraguay.

This stag beetle article is a stub.