An apparatus for manufacturing a display device and a method for manufacturing a display device includes a stage; a first guide unit positioned on one side of the stage in a first direction and extending in a second direction crossing the first direction; and a first peeling unit disposed on the first guide unit, wherein the first peeling unit includes a first moving part configured to move along the first guide unit, a first rotating part coupled to the other side of the first moving part in the first direction and configured to rotate about an axis extending in the first direction, and a first gripping part coupled to the other side of the first rotating part in the first direction and disposed to overlap the stage.