An image reading apparatus includes a first conveyance path, a second conveyance path, an insertion/discharge port, an image reader that reads an image on a medium conveyed along the first conveyance path, and a switch that is located at a first position or a second position, wherein the switch disconnects the first conveyance path from the second conveyance path and connects the insertion/discharge port and the first conveyance path when the switch is located at the first position, and disconnects the insertion/discharge port from the first conveyance path and connects the first conveyance path and the second conveyance path when the switch is located at the second position.