A medium conveyance apparatus includes an apparatus body and a reverse path unit. The reverse path unit includes a reverse roller configured to reverse a medium, and the reverse path unit is configured to be attachable/detachable to/from the apparatus body. The reverse path unit includes a support tray, an operation unit, and an opening portion. The support tray is configured to switch between a drawn state where the support tray is drawn out from the reverse path unit and a stored state where the support tray is stored in the reverse path unit. The support tray is configured to support a medium to be fed in the drawn state. The operation unit is operated to attach/detach the reverse path unit to/from the apparatus body. The opening portion is provided in the support tray and configured to enable operation of the operation unit.