Disclosed is an apparatus for locking an elevator hall door. The apparatus for locking an elevator hall door includes an interlock which is installed in the hanger plate of a first door; a door hook which is installed in the hanger plate of a second door; a fixing hook which is engaged with the interlock to allow the first door to be open in the closing state of the first and the second door; and a lever type hook which includes an interlock contact part which is installed on the fixing hook to be formed in one side and a door hook combination part which is engaged with the door hook to be formed in the other side. The lever type hook seesaws to allow the door hook combination part to engage with the door hook while the interlock presses the interlock contact part to be engaged with the fixing hook.
