An atomic layer deposition apparatus includes: a substrate support supporting a substrate; a first divider including a plurality of first division modules provided on the substrate support and selectively spraying a source gas, a reaction gas, and a purge gas to each of predetermined areas; and a second divider including a plurality of second division modules provided on the first divider and supplying the gases to the respective first division modules, wherein each of the plurality of second division modules is formed of a first through-hole and a second through-hole, and the gas passed through the first and second through-holes moves to the first division modules.