An exterior airbag for vehicles includes an airbag cushion deployed forwards from the front surface of a vehicle. The exterior airbag may include a plurality of airbag housings mounted to a bumper of a vehicle, a plurality of airbag cushions received in respective airbag housings so as to be deployed forwards from a front surface of the bumper, a plurality of partitioned chambers defined in each of the airbag cushions along a longitudinal direction of the airbag cushion, with a plurality of gas supply holes formed in respective partitioned chambers so as to evenly supply airbag gas to the chambers, and at least an inflator providing a airbag gas to each of the airbag cushions through the gas supply holes.