A door holding device for a vehicle, may include a door handle having a first side disposed on a door base turnably and a second side in which a holder extending inwardly of the door base may be formed, a door lever hinged to the door base and having a guide that may be locked to the holder of the door handle so as to turn with the door handle, and a blocking lever disposed on the door base turnably by a hinge shaft and having a stopper formed to correspond to turning tracks of the holder of the door handle and the guide of the door lever.