A laminated optical film including a first optical anisotropic layer, and a second optical anisotropic layer, wherein Relationship (1) is satisfied when a slow phase axis of the first optical anisotropic layer is substantially perpendicular to a slow phase axis of the second optical anisotropic layer, −10 nm≦ΔRe1−ΔRe2≦10 nm  Relationship (1) wherein Relationship (2) is satisfied when the slow phase axis of the first optical anisotropic layer is substantially parallel to the slow phase axis of the second optical anisotropic layer, and −10 nm≦ΔRe1+ΔRe2≦10 nm   Relationship (2) wherein an in-plane retardation value Re of the film as a whole satisfies 30 nm≦Re≦500 nm, where ΔRe1 denotes a value calculated from “Re1 (at an RH of 80%)—Re1 (at an RH of 50%)” concerning the first optical anisotropic layer, and ΔRe2 denotes a value calculated from “Re2 (at an RH of 80%)—Re2 (at an RH of 50%)” concerning the second optical anisotropic layer.