Disclosed is a substrate conveyance apparatus that collectively conveys a plurality of substrates. The apparatus includes: a plurality of substrate placement racks disposed at intervals in a height direction and configured to simultaneously place the substrates thereon; a substrate placement rack holder configured to integrally hold the plurality of substrate placement racks; and a moving mechanism connected to the substrate placement rack holder and configured to integrally move the plurality of substrate placement racks. The moving mechanism includes: a first arm unit having a first support supported from an outside, and connected to one end of the substrate placement rack holder in a longitudinal direction; a second arm unit having a second support supported from the outside, and connected to another end of the substrate placement rack holder in the longitudinal direction; and a connecting portion which connects the first arm unit to the second arm unit.