A grille for air conditioning provided in an automobile and others comprising: a main body case having an opening for blowing out the wind, a plurality of curvable wind direction adjusting plates having one side and the other side extending in the substantially intersecting direction with the flow direction of the wind, the one side being supported on the main body case, a support member which supports the other side of the wind direction adjusting plate, and moving members for moving the support members on an arc locus relatively in parallel to the main body case, and the arc having a shorter radius of curvature than a span between the two sides of the wind direction adjusting plate in a free state.