There is provided a liquid droplet jetting apparatus including: a transporting mechanism; and a head moving mechanism configured to move the second liquid droplet jetting head between a first position facing the one surface of the object and a second position facing the other surface of the object. Under a condition that the second liquid droplet jetting head is arranged at the first position, a first nozzle row and a second nozzle row are arranged such that each of first nozzles is overlapped with one of second nozzles with respect to a nozzle-row direction.