A polymerizable liquid crystal compound represented by Chemical Formula 1: wherein, in Chemical Formula 1, Ar 1 is a substituted or unsubstituted trivalent aromatic hydrocarbon group, Ar 2 and Ar 3 are independently a substituted or unsubstituted divalent aromatic hydrocarbon group, Ar 4 is a substituted or unsubstituted monovalent aromatic hydrocarbon group, X 1 is selected from -C(=O)O- and -C(=O)N(R a)- (wherein R a is hydrogen, a C1 to C20 alkyl group, or a C6 to C30 aryl group), R 1 and R 2 are independently selected from hydrogen, a halogen, a cyano group, a nitro group, an aldehyde group, a C2 to C30 ketone group, a C2 to C30 ester group, a C1 to C30 alkylsulfonyl group, and a substituted or unsubstituted C1 to C20 alkyl group, n is an integer of 0 to 2, m is 1 or 2, X 2 and X 3 are independently selected from -OC(=O)-, -C(=O)O-, - N(R a)C(= O)-, and -C(=O)N(R a)- (wherein R a is hydrogen, a C1 to C20 alkyl group, or a C6 to C30 aryl group), Y 1 and Y 2 are independently selected from a substituted or unsubstituted divalent aliphatic hydrocarbon group, a substituted or unsubstituted divalent aromatic hydrocarbon group, a substituted or unsubstituted divalent alicyclic hydrocarbon group, and a combination thereof, X 5 and X 6 are independently a linking group selected from -OC(=O)-, - C(=O)O-, -S-, -O-, -S(=O)-, -C(=O)-, -S(=O) 2 -, -N(R a)-, -C(=O)S-, -N(R b)C(=O)-, and -C(=O)N(R c)- (wherein R a, R b, and R c are independently selected from hydrogen, a C1 to C20 alkyl group, and a C6 to C30 aryl group), or a C2 to C20 alkylene group, wherein at least one -(CH 2)- group is replaced by the above linking group in the main chain, and Z 1 and Z 2 are independently a C2 to C30 polymerizable functional group. Ar 1 is a substituted or unsubstituted trivalent aromatic hydrocarbon group, Ar 2 and Ar 3 are independently a substituted or unsubstituted divalent aromatic hydrocarbon group, Ar 4 is a substituted or unsubstituted monovalent aromatic hydrocarbon group, X 1 is selected from -C(=O)O- and -C(=O)N(R a)- (wherein R a is hydrogen, a C1 to C20 alkyl group, or a C6 to C30 aryl group), R 1 and R 2 are independently selected from hydrogen, a halogen, a cyano group, a nitro group, an aldehyde group, a C2 to C30 ketone group, a C2 to C30 ester group, a C1 to C30 alkylsulfonyl group, and a substituted or unsubstituted C1 to C20 alkyl group, n is an integer of 0 to 2, m is 1 or 2, X 2 and X 3 are independently selected from -OC(=O)-, -C(=O)O-, - N(R a)C(= O)-, and -C(=O)N(R a)- (wherein R a is hydrogen, a C1 to C20 alkyl group, or a C6 to C30 aryl group), Y 1 and Y 2 are independently selected from a substituted or unsubstituted divalent aliphatic hydrocarbon group, a substituted or unsubstituted divalent aromatic hydrocarbon group, a substituted or unsubstituted divalent alicyclic hydrocarbon group, and a combination thereof, X 5 and X 6 are independently a linking group selected from -OC(=O)-, - C(=O)O-, -S-, -O-, -S(=O)-, -C(=O)-, -S(=O) 2 -, -N(R a)-, -C(=O)S-, -N(R b)C(=O)-, and -C(=O)N(R c)- (wherein R a, R b, and R c are independently selected from hydrogen, a C1 to C20 alkyl group, and a C6 to C30 aryl group), or a C2 to C20 alkylene group, wherein at least one -(CH 2)- group is replaced by the above linking group in the main chain, and Z 1 and Z 2 are independently a C2 to C30 polymerizable functional group.