An image reading apparatus comprising: a body supporting portion mounted on a mounting surface of the apparatus; and an apparatus body supported and configured to turn by the body supporting portion, wherein the apparatus body includes a reading transportation path opposed to a reading unit (32, 33) that reads an original, a reverse transportation path located downstream of the reading transportation path, and used when the original subjected to reading is reversed upward and discharged, a non-reverse transportation path located downstream of the reading transportation path, and configured to discharge the original subjected to reading without reversing the original, and a transportation path switching unit located downstream of the reading transportation path and configured to switch an original transportation path used to transport the original to any of the reverse transportation path and the non-reverse transportation path, the apparatus body is configured to be turned relative to the body supporting portion so as to switch between a first posture and a second posture, the second posture forming an angle between the reading transportation path and the mounting surface being smaller than an angle between the reading transportation path and the mounting surface formed in the first posture, and the transportation path switching unit switches the original transportation path to the reverse transportation path when the apparatus body is switched to the first posture, and switches the original transportation path to the non-reverse transportation path when the apparatus body is switched to the second posture. a body supporting portion mounted on a mounting surface of the apparatus; and an apparatus body supported and configured to turn by the body supporting portion, wherein the apparatus body includes a reading transportation path opposed to a reading unit (32, 33) that reads an original, a reverse transportation path located downstream of the reading transportation path, and used when the original subjected to reading is reversed upward and discharged, a non-reverse transportation path located downstream of the reading transportation path, and configured to discharge the original subjected to reading without reversing the original, and a transportation path switching unit located downstream of the reading transportation path and configured to switch an original transportation path used to transport the original to any of the reverse transportation path and the non-reverse transportation path, a reading transportation path opposed to a reading unit (32, 33) that reads an original, a reverse transportation path located downstream of the reading transportation path, and used when the original subjected to reading is reversed upward and discharged, a non-reverse transportation path located downstream of the reading transportation path, and configured to discharge the original subjected to reading without reversing the original, and a transportation path switching unit located downstream of the reading transportation path and configured to switch an original transportation path used to transport the original to any of the reverse transportation path and the non-reverse transportation path, the apparatus body is configured to be turned relative to the body supporting portion so as to switch between a first posture and a second posture, the second posture forming an angle between the reading transportation path and the mounting surface being smaller than an angle between the reading transportation path and the mounting surface formed in the first posture, and the transportation path switching unit switches the original transportation path to the reverse transportation path when the apparatus body is switched to the first posture, and switches the original transportation path to the non-reverse transportation path when the apparatus body is switched to the second posture.