A pop-up rotatable tray assembly is disclosed herein. The pop-up rotatable tray assembly includes a base portion, a tray support structure rotatably coupled to the base portion, and a tray top member having a top surface. The tray top member is supported by the tray support structure, and the tray top member is configured to be adjustable between an elevated position and a retracted position. A tabletop assembly, which includes the pop-up rotatable tray assembly, is also disclosed herein. When the tray top member is disposed in the elevated position, the top surface of the tray top member is spaced apart from a top surface of a tabletop peripheral portion by a vertical distance. When the tray top member is disposed in the retracted position, the tray top member is substantially aligned with the top surface of the tabletop peripheral portion.