An organic electrolytic solution including: a lithium salt; an organic solvent; and a compound represented by Formula 1 below, and a lithium battery including the organic electrolytic solution. In Formula 1: R1, R2, and R3 may be each independently a hydrogen atom, a C1 to C10 alkyl group, a C6 to C10 cycloalkyl group, a C6 to C10 aryl group, a C2 to C10 alkenyl group, or a C2 to C10 alkynyl group; X is C (R2) or nitrogen; and n is an integer ranging from 1 to 5.