Abstract: A grommet for a vehicle includes a body mounted in a wiring hole of a vehicle panel through a mounting part provided on an outer circumference thereof, a first outer tube and a second outer tube formed to extend from opposite sides of the body in the direction of opposite surfaces of the panel, a partition wall extending between the first and second outer tubes from an inner circumference of the body, and an inner tube extending to the outside of the first outer tube by penetrate the inside of the first outer tube from the partition wall in order to support a wire passing through the wiring hole, wherein the inner tube includes a first section provided to be rolled and entered in the direction of the second outer tube, and the first section includes a first entry section capable of entering the inside of the second outer tube.