A liquid crystal composition includes at least one polar liquid crystal compound represented by Chemical Formula PI-1 to PI-4: in which each n, n1, and n2 in Chemical Formula PI-1 to PI-4 is any one of 1, 2, and 3, in Chemical Formula PI-1 to PI-4, each A, A1, and A2 includes one of each L1 to L8 includes one of —H, —F, —Cl, —OCF3, —CF3, —CH2F, and —CHF2, each Z, Z1, and Z2 includes one of single bond, —COO—, —OCO—, —CF2O—, —OCF2—, —CH2O—, —OCH2—, —SCH2—, —CH2S—, —CH2CH2—, —C2F4—, —CH2—CF2—, —CF2CH2—, —(CH2)Z— (z is 1 to 3), —CH═CH—, —CF═CF—, —CH═CF—, —CF═CH—, —C═C—, and —CH═CHCH2O—, and R includes one of hydrogen, halogen, a cyano group, alkyl group, and an alkoxy group including 1 to 12 carbon atoms.