To provide a slide tray having excellent practicality, convenience, operability, and the like, and a conveyor apparatus that conveys slides accommodated in the slide tray. A slide tray according to an embodiment of the present disclosure includes a slide accommodation portion capable of accommodating one or more slides mounted thereon, and a switch portion that makes a switch between a first state in which an entire surface of the one or more slides is mounted on the slide accommodation portion and a second state in which one end portion of the one or more slides is released from the slide accommodation portion.