The inkjet recording apparatus includes: a casing; an inkjet head which is arranged in the casing and ejects ink from nozzles toward a recording medium; a scanning device which is arranged in the casing and moves the inkjet head to scan the recording medium in a scanning direction parallel with a breadthways direction of the recording medium; a recording medium supply device which accommodates the recording medium and is removably installed into the casing via a front face side of the casing and disposed on a lower side of the inkjet head in a vertical direction of the casing; a conveyance device which conveys the recording medium from the recording medium supply device to a recording region where the recording medium receives deposition of the ink ejected from the inkjet head, and conveys the recording medium within the recording region in a direction substantially perpendicular to the scanning direction; an ink cartridge which accommodates the ink to be supplied to the inkjet head and is removably installed into the casing via the front face side of the casing and disposed between the inkjet head and the recording medium supply device in the vertical direction of the casing; and an ink supply channel which is provided between the ink cartridge and the inkjet head.