In an air outlet device for a vehicle cabin, primary wind-direction adjustment plates are rotated between a parallel condition and a series condition, to thereby provide a wind distribution function of opening the outlet opening of a tubular body and adjusting the flow direction of air and a wind shutoff function of closing the outlet opening. Of the primary wind-direction adjustment plates, a certain primary wind-direction adjustment plate is configured such that its tip end edge gradually separates from an inner wall surface of the tubular body when the primary wind-direction adjustment plates are rotated so as to open the outlet opening. A secondary wind-direction adjustment plate is secured to the back of the certain primary wind-direction adjustment plate with a predetermined spacing formed therebetween. The secondary wind-direction adjustment plate rotates, together with the certain primary wind-direction adjustment plate, about the rotation center of the certain primary wind-direction adjustment plate.