Named after Braunschweiggasse, which honours Duke Wilhelm of Braunschweig.
The lane honours Wilhelm, Duke of Braunschweig and Lüneburg (1806–1884), who reigned as Duke of Braunschweig from 1830 until his death. He owned the Palais Cumberland near Schönbrunn and was made an honorary citizen of Hietzing on 20 June 1861. Before it was renamed, the lane was called Hügelgasse (‘hill lane’).