Lotnicze Warsztaty Doświadczalne (LWD) was the Polish aerospace manufacturer and construction bureau, located in Łódź, active between 1945 and 1950. The name meant Aircraft Experimental Workshops. It was the first Polish post-war aerospace construction bureau.

The LWD Szpak (starling) was a Polish utility aircraft of 1945, the first Polish aircraft designed after World War II and built in a short series.