A liquid ejecting apparatus including a liquid-ejecting head for ejecting a liquid, a tank for storing the liquid to be supplied to the liquid-ejecting head, and a liquid supply portion configured to supply the liquid from the tank to the liquid-ejecting head, wherein the tank includes an inner wall structure which is enclosed within an outer wall of the tank and which defines therein an inner liquid flow space which communicates with the liquid supply portion and through which the liquid is supplied from the liquid supply portion to the liquid-ejecting head.