There is provided a sheet tray including: a first tray; a second tray supported by the first tray; and a third tray supported by the second tray. The second tray has a first engaging section engageable with the first tray at a second position; the third tray has a second engaging section contactable with the second tray, in a drawing direction from a first position toward the second position, at a fifth position between a third and a fourth position, and engageable with the second tray at the fourth position. The second engaging section is configured to be elastically deformable to be movable in a releasing direction in which the contact between the second engaging section and the second tray is released. The second and third trays are moved integrally in the drawing direction in a state that the second engaging section makes contact with the second tray.