To provide a spare tire carrier maintaining beauty of an aluminum disk wheel by preventing relative swinging of a support bracket to which a carrier body is attached, the disk wheel, and a spare tire hanger.

A spare tire holding device includes a support bracket 1 fixed to a car body frame, a carrier body 21 which is fixed to the support bracket and can hoist a chain, a tire hanger 22 for sandwiching the disk wheel 31 with the support bracket 1 at the distal end of the chain, a first engaging hole disposed in the support bracket 1, a second engaging hole disposed in the disk wheel 31, and a bolt which penetrates the first engaging hole and the second engaging hole and prevents shifting of the disk wheel 31 in a surface direction.