An optical film comprising: an ultraviolet light absorbent having a first peak with a maximum absorption coefficient of 0.07 to 0.10 phr -1 mm -1 in a wavelength band of 290 to 320 nm and a second peak with a maximum absorption coefficient of 0.11 to 0.16 phr -1 mm -1 in a wavelength band of 330 to 400 nm; an acrylic resin; and a hindered amine light stabilizer (HALS), wherein the absorption coefficient according to the wavelength is calculated using the following Equations and: A = − LogT A = εbc In Equations and, A represents absorbance (dimensionless), T represents transmittance, ε represents an absorption coefficient (phr -1 mm -1), b represents a film thickness (mm), and c represents a concentration of the ultraviolet light absorbent (parts by weight) wherein the ultraviolet light absorbent includes one or more compounds selected from the group consisting of a compound represented by the following Chemical Formula 1 and a compound represented by Chemical Formula 2: wherein, in Chemical Formula 1, R1 to R3 are each independently a substituted or an unsubstituted C1-18 alkyl; and in Chemical Formula 2, R4 and R5 are each independently hydrogen or a substituted or an unsubstituted C1-18 alkyl, wherein the hindered amine light stabilizer (HALS) include one structure selected from the group consisting of structures represented by the following Chemical Formulae 5, 6 and 8 to 18: wherein, in Chemical Formula 5, a is an integer of 9 to 13, and R12 and R13 are each independently a linear or a branched C1-8 alkylene; in Chemical Formula 6, b is an integer of 3 to 10, R14 and R15 are each independently hydrogen, or a linear or a branched C1-8 alkyl, R16 is a linear or a branched C1-16 alkylene, and R17 is a linear or a branched C1-12 alkyl; in Chemical Formula 8, Y1 is (bonded to the main chain at *), and R21 is hydrogen, or a linear or a branched C1-12 alkyl; in Chemical Formula 9, d is an integer of 3 to 6, R22 and R23 are each independently hydrogen, or a linear or a branched C1-8 alkyl, and R24 is a linear or a branched C1-16 alkylene; in Chemical Formula 10, e is an integer of 3 to 8, R25 and R26 are each independently a linear or a branched C1-8 alkylene, and R27 and R28 are each independently a linear or a branched CI-16 alkylene; in Chemical Formula 11, f is an integer of 9 to 18, R29 is hydrogen, or a linear or a branched C1-8 alkyl, and R30 is a linear or a branched CI-16 alkylene having at least one hydroxyl group; in Chemical Formula 12, g is an integer of 3 to 8, R31 and R32 are each independently a linear or a branched C1-8 alkylene, and R33 is a linear or a branched C1-16 alkylene; in Chemical Formula 13, h is an integer of 3 to 8, R34, R35 and R36 are each independently hydrogen, or a linear or a branched CI-8 alkyl, R37 is a linear or a branched C1-16 alkylene, and R38 is hydrogen, or a linear or a branched C1-8 alkyl; in Chemical Formula 14, i is an integer of 3 to 8, R39 and R40 are each independently a linear or a branched C1-8 alkylene, and R41 is a linear or a branched C1-16 alkylene; in Chemical Formula 15, j is an integer of 3 to 8, R42 is hydrogen, or a linear or a branched C1-8 alkyl, and R43 is a linear or a branched C1-25 alkylene; in Chemical Formula 16, k is an integer of 6 to 16, R44 is a linear or a branched C1-8 alkyl, R45 is a linear or a branched C1-8 alkylene, and R46 is hydrogen, or a linear or a branched C1-6 alkyl; in Chemical Formula 17, 1 is an integer of 4 to 13, R47 and R48 are each independently hydrogen, or a linear or a branched C1-8 alkyl, and R49 and R50 are each independently a linear or a branched C1-16 alkylene; and in Chemical Formula 18, m is an integer of 4 to 12, R51 and R52 are each independently hydrogen, or a linear or a branched C1-8 alkyl, and R53 and R54 are each independently a linear or a branched C1-16 alkylene. an ultraviolet light absorbent having a first peak with a maximum absorption coefficient of 0.07 to 0.10 phr -1 mm -1 in a wavelength band of 290 to 320 nm and a second peak with a maximum absorption coefficient of 0.11 to 0.16 phr -1 mm -1 in a wavelength band of 330 to 400 nm; an acrylic resin; and a hindered amine light stabilizer (HALS), wherein the absorption coefficient according to the wavelength is calculated using the following Equations and: A = − LogT A = εbc