An airbag cushion for a vehicle may include: a front panel disposed in a direction facing a passenger when the airbag cushion is inflated, and having a front sewed part formed along the edge thereof; and a rear panel coupled to the front panel so as to form a chamber therebetween, having a gas introduction hole to introduce gas into the chamber, and having a rear sewed part formed along the edge thereof, the rear sewed part being coupled to the front sewed part, wherein the rear sewed part has a curvature part formed in a curved shape at the portion coupled to the front sewed part.