An inkjet recording apparatus includes a recording head configured to eject ink to record an image, an ink tank including an filling port for injection of the ink and configured to contain the ink to be supplied to the recording head, a cap configured to close the filling port, and a connection portion configured to connect the cap to the ink tank or a main body of the apparatus. The inkjet recording apparatus includes a rib provided adjacently to the filling port, the connection portion biases the cap in a direction separating from the filling port, and the cap removed from the filling port releases the filling port while being in contact with the rib by biasing of the connection portion.