A carrier apparatus for a vehicle may include guide rails symmetrically disposed under a rear bumper beam and extending in a front-rear direction, a carrier having a panel and sliding rails and stowed or drawn out under the rear bumper beam by sliding in the front-rear direction along the guide rails, tilting mechanisms that include fixing brackets disposed at rear ends of the guide rails and tilting brackets disposed behind the fixing brackets at the rear ends of the guide rails and capable of turning on the rear bumper beam, and tilting actuators disposed on the fixing brackets of the tilting mechanisms to be selectively connected to the tilting brackets, connected to the tilting brackets to restrict turning of the tilting brackets when not in use, and disconnected from the tilting brackets to allow the carrier to turn with the tilting brackets when the carrier is fully drawn out.