Steffen Ewald Hamann (born 14 June 1981) is a former German professional basketball player.
Hamann started his professional career in 1998 at Brose Baskets's development team TSV Tröster Breitengüßbach.
After his short stint in Italy he returned to Bamberg in January where he played the rest of the 2006–07 and 2007–08 seasons.
In his last season he led Bayern together with star player Malcolm Delaney to its first championship since 1955 and to the EuroLeague Top 16 stage.
In his last professional season he played for Baunach Young Pikes in German second division ProA.