Disclosed is a plurality of guide blades configured to guide air discharged through a discharge port, and an air conditioner having the same. The guide blade includes an eddy induction groove that is concaved from at least one surface of the guide blade, and a plurality of protrusions each protruding from an inner surface of the eddy induction groove in the form of a polypyramid, to generate eddy currents of various directions, so that the guide blade may cope with air flow of various flow speeds and wind directions.