A liquid jetting apparatus includes: a liquid jetting section having a liquid jetting surface in which a plurality of nozzles are formed, and configured to jet a liquid from the plurality of nozzles; and a liquid supply section provided on the liquid jetting section on a side opposite to the liquid jetting surface with respect to a direction intersecting the liquid jetting surface, and configured to supply the liquid to the liquid jetting section. The liquid jetting section includes: two nozzle groups arranged apart in a predetermined scanning direction, each nozzle group including a plurality of nozzles aligned in a nozzle arrangement direction which intersects the scanning direction; and two common liquid chambers arranged apart in the scanning direction, each common liquid chamber extending in the nozzle arrangement direction and communicating with one of the two nozzle groups.