A molded article supply apparatus supplying a molded article to a transport device, comprising: a supply unit supplying the molded article in an inverted state with mouths facing downward, to transport members provided with rod members, wherein the transport members are continuously transported on a transport path, characterized in that the supply unit is disposed above the transport path, for holding the molded articles at predetermined intervals and lowering the molded articles while transporting the molded articles in synchronization with movement of the transport members, to supply the molded articles to the transport members wherein the rod members can be inserted into the molded article; wherein the supply unit has a rotating member provided to be rotatable in accordance with a moving speed of the transport member, holding portions provided at predetermined intervals on an outer periphery of the rotating member, for holding the molded articles, and a first elevating/lowering portion for raising or lowering each of the holding portions at a predetermined timing; wherein the molded article has a barrel continuous with the mouth, a flange for separating the mouth and the barrel, and a bottom closing the barrel, and the holding portion has a first support member for supporting the flange of the molded article from below, and a second support member for engaging the bottom of the molded article from above for support thereof; wherein a slide transport unit is provided for slidingly transporting the molded article to the holding portion, wherein the supply unit has a second elevating/lowering portion for temporarily raising the second support member to a position above the molded article in a delivery region where the molded article is delivered from the slide transport unit to the holding portion. a supply unit supplying the molded article in an inverted state with mouths facing downward, to transport members provided with rod members, wherein the transport members are continuously transported on a transport path, characterized in that the supply unit is disposed above the transport path, for holding the molded articles at predetermined intervals and lowering the molded articles while transporting the molded articles in synchronization with movement of the transport members, to supply the molded articles to the transport members wherein the rod members can be inserted into the molded article; wherein the supply unit has a rotating member provided to be rotatable in accordance with a moving speed of the transport member, holding portions provided at predetermined intervals on an outer periphery of the rotating member, for holding the molded articles, and a first elevating/lowering portion for raising or lowering each of the holding portions at a predetermined timing; wherein the molded article has a barrel continuous with the mouth, a flange for separating the mouth and the barrel, and a bottom closing the barrel, and the holding portion has a first support member for supporting the flange of the molded article from below, and a second support member for engaging the bottom of the molded article from above for support thereof; wherein a slide transport unit is provided for slidingly transporting the molded article to the holding portion, wherein the supply unit has a second elevating/lowering portion for temporarily raising the second support member to a position above the molded article in a delivery region where the molded article is delivered from the slide transport unit to the holding portion.