An axial fan includes: a hub; a plurality of blades arranged in a circumferential direction of the hub; a cutout in a rear edge part of each of the plurality of blades and a front rim extension; the rear rim which is on the opposite side to the front rim in a rotating direction forms a front rim part extended from the rear rim; the cutout divides the rear edge part into an outer peripheral side rear edge part and an inner peripheral side rear edge part; a first groove part is disposed in the outer peripheral rear edge part; the first groove part includes a plurality of grooves extending towardthe front edge part which go through a thickness direction of a blade ; and a second groove part is disposed in the inner rear edge part in the inner circumference side; the second groove part includes a plurality of grooves passing through the thickness direction of the blade and extending toward the front edge part, the plurality of grooves of the first groove part and the plurality of groovesof the second groove part having different shapes when viewed in a rotational axis direction of the hub.