The LO 120 S is a German parasol-wing, pusher configuration, open-cockpit, two-seats in tandem motor glider that was designed and produced by LO-Fluggerätebau.

When it was available it was supplied as a kit for amateur construction and meets European microlight rules.

Unlike conventional trikes, the aircraft has a tail, of twin-boom configuration with an inverted v-tail.

Later models enclosed and faired the cockpit into the wing, making it a high-wing aircraft.

The specified engine is the Hirth 2704 of 30 kW (40 hp) mounted behind the cockpit as a pusher powerplant.