A liquid jetting apparatus includes: a head unit which includes a liquid jetting head which jets liquid and a liquid storage tank in which the liquid to be supplied to the liquid jetting head is stored; a guide member which extends in a first direction; a carriage which has a connection portion, carries the head unit, and is supported by the guide member to be movable in the first direction; and a movement mechanism which is connected to the connection portion of the carriage to move the carriage in the first direction, and the liquid jetting head and the liquid storage tank are arranged to sandwich the connection portion of the carriage therebetween.