To provide a golf ball storage supplying golf balls without the trouble of opening a fastener of the storage section of a golf bag when golf balls on hand have been used up due to out-of-bounds strokes or the like when one is play golf.

The golf ball storage tool has a cylindrical interior formed by opening the top and bottom of a body having an inside diameter and an interior space capable of storing a plurality of golf balls side by side as a storage portion and the top as an insertion opening and the bottom as an extraction opening. By keeping a rubber cord hooked onto the golf bag by stretching the rubber cord as a stopper section, a clearance is formed between the bottom and the stopper section by pulling the rubber cord of the stopper section, and makes the lowermost of the golf balls stored in a row in the storage portion be quickly taken out.