The Focke-Wulf Flitzer ("streaker" or "dasher", sometimes incorrectly translated as "madcap") was a jet fighter under development in Germany at the end of World War II.

The design, also called Entwurf VI (Sketch VI), had a central fuselage and two booms carrying the rear control surfaces, similar to the contemporary de Havilland Vampire.

[2] Its air inlets were initially positioned on either side of the nose, just below the cockpit.

In order to improve the rate of climb, a Walter HWK 109-509 hypergolic liquid-propellant rocket was built in to give supplementary thrust.

A complete mockup was built and all construction and assembly plans were finished, but the aircraft was not accepted by the Reich Air Ministry (Reichsluftfahrtministerium, RLM).