The Sparkasse Hagen tower (German: Sparkassenhochhaus Hagen, Verwaltungshochhaus/Verwaltungsgebäude der Sparkasse Hagen), often referenced as Langer Oskar (Long Oskar) by locals, was a 101 m (331 ft) skyscraper in the city centre of Hagen, North Rhine-Westphalia, Germany. The building served as the main office tower and part of the headquarters of the resident municipal savings bank, Sparkasse Hagen.