A laundry treating apparatus includes a cabinet, a tub, a drum, and a rotation shaft extending in a front-rear direction, and a detergent dispenser configured to be inserted into and withdrawn from the cabinet. The detergent dispenser includes a dispenser tray, a dispenser housing accommodating the dispenser tray, and a dispenser cover seated on the dispenser housing and configured to supply wash water to the dispenser tray or the dispenser housing. The dispenser cover has a front supply flow path configured to supply the wash water to a front portion of the dispenser housing, and the dispenser housing has a front flow path configured to diffuse the wash water supplied from the front supply flow path. The front flow path is defined at a front portion of a bottom surface of the dispenser housing and configured to guide the wash water to a discharge hole defined at the bottom surface.