To be able to compactly dispose an airbag device at a front portion of a saddled vehicle. An airbag device for a saddled vehicle including: an inflator; an airbag adapted to be expanded by gas discharged from the inflator; and, a retainer accommodating the airbag, the airbag being deployed upward from an opening of the retainer, in which the retainer is disposed between a meter provided in front of a handle for steering and a headlight provided in front of the meter in a side view of the vehicle.