A toner container comprising: a container main body having a replenishment port of toner and containing the toner; and a shutter mechanism which opens and closes the replenishment port, characterized in that the shutter mechanism includes: a shutter member having a discharge port corresponding to the replenishment port; and a cover member supported by the shutter member so as to extend away from the shutter member in a direction of the replenishment port, wherein the shutter member is movable between an opening position where the discharge port is communicated with the replenishment port to open the replenishment port and a closing position where the discharge port is retracted from the replenishment port to close the replenishment port, the shutter member being movable in an opening direction from the closing position to the opening position and in a closing direction from the opening position to the closing position, the closing direction being opposite to the opening direction, wherein the cover member has a tip end portion, the tip end portion extends toward the replenishment port as the shutter member moves from the opening position to the closing position, comes into contact with a downstream side edge portion of the replenishment port in the closing direction at the closing position and retracts from the replenishment port as the shutter member moves in the opening direction. a container main body having a replenishment port of toner and containing the toner; and a shutter mechanism which opens and closes the replenishment port, characterized in that the shutter mechanism includes: a shutter member having a discharge port corresponding to the replenishment port; and a cover member supported by the shutter member so as to extend away from the shutter member in a direction of the replenishment port, a shutter member having a discharge port corresponding to the replenishment port; and a cover member supported by the shutter member so as to extend away from the shutter member in a direction of the replenishment port, wherein the shutter member is movable between an opening position where the discharge port is communicated with the replenishment port to open the replenishment port and a closing position where the discharge port is retracted from the replenishment port to close the replenishment port, the shutter member being movable in an opening direction from the closing position to the opening position and in a closing direction from the opening position to the closing position, the closing direction being opposite to the opening direction, wherein the cover member has a tip end portion, the tip end portion extends toward the replenishment port as the shutter member moves from the opening position to the closing position, comes into contact with a downstream side edge portion of the replenishment port in the closing direction at the closing position and retracts from the replenishment port as the shutter member moves in the opening direction. wherein the cover member has a tip end portion, the tip end portion extends toward the replenishment port as the shutter member moves from the opening position to the closing position, comes into contact with a downstream side edge portion of the replenishment port in the closing direction at the closing position and retracts from the replenishment port as the shutter member moves in the opening direction.