A laundry treating apparatus is disclosed. The laundry treating apparatus includes a first cabinet having a first receiving space to receive laundry, a second cabinet having a second receiving space to receive laundry, the second cabinet being separated from the first cabinet, a partition wall located at an upper part of the second receiving space to divide an interior of the second cabinet, a discharge unit to discharge air from the first receiving space and air from the second receiving space, and a supply unit including a supply duct to selectively supply air to the first receiving space and the second receiving space and a supply fan provided in the partition wall such that the supply fan is located in the second cabinet to move air from the second receiving space to the supply duct.