PURPOSE: To provide a holder for packaging a can container for collectively packaging a plurality of can containers, which holder is provided with a plurality of caps, into which a top end tying flange of can container is fitted, and which holder can be used for packaging a plurality kinds of can containers having different top diameter.

CONSTITUTION: In a holder, a plurality of space parts 31, 32 having a diameter such that a top tying flange 51 of can container can be fitted into the parts 31, 32 are provided in a vertical direction in each cap part 10, and protrusions 21, 22, which make contact with the lower side edge of the flange 51 of the container 50 to be fitted into the space parts 31, 32, thereby to hold the container 50, are formed nearly at regular intervals circumferentially along the lower side edges of the space parts 31, 32.