A liquid crystal display includes a liquid crystal panel displaying images, a plurality of gate circuit chips-on-film connected to the liquid crystal panel and supplying gate driving signals to the liquid crystal panel, a plurality of data circuit chips-on-film connected to the liquid crystal panel and supplying data driving signals to the liquid crystal panel, a gate printed circuit board (PCB) connected to the gate circuit chips-on-film, a data printed circuit board (PCB) connected to the data circuit chips-on-film, a backlight assembly supplying light to the liquid crystal panel, and a top chassis fixing the liquid crystal panel and the backlight assembly, and including an upper surface and a lower surface, wherein the data printed circuit board (PCB) is disposed corresponding to the lower surface of the top chassis, and a plurality of drain holes are disposed in the lower surface of the top chassis.