An air freshener for vehicles including a main body for holding a container for volatile substances and a foldable clip which can be placed in a substantially perpendicular position with respect to the main body. The foldable clip is rotatable with respect to the main body. The clip is always connected with the main body, so that it is sold with it occupying a reduced space in the package. The clip can be rotated to be adapted to any kind of ventilation grids.