A liquid container configured to store a liquid to be supplied to a liquid discharge head, the liquid container includes a tank case, a first container in the tank case, the first container configured to store the liquid, a second container, separated from the first container, in the tank case, the second container configured to store the liquid, a communication channel connecting the first container and the second container, a first valve configured to open when the liquid is fed to the first container, and a second valve configured to open when the liquid is discharged from the second container.