Sebastian Biederlack (born 16 September 1981 in Hamburg) is a field hockey player from Germany, who was a member of the Men's National Team that won the bronze medal at the 2004 Summer Olympics in Athens, Greece.
The midfielder from German club Club an der Alster made his international senior debut for the national team on 10 July 1999 in a friendly against South Korea in Leipzig. As of 12 December 2005, Biederlack earned 139 caps for his native country, in which he scored eleven goals.
He represented his native country at the 2008 Summer Olympics in Beijing, China.2001 – Champions Trophy, Rotterdam (1st place)
2002 – 10th World Cup, Kuala Lumpur (1st place)
2002 – Champions Trophy, Cologne (2nd place)
2003 – European Indoor Nations Cup, Santander (1st place)
2003 – Champions Trophy, Amstelveen (6th place)
2003 – European Nations Cup, Barcelona (1st place)
2004 – Summer Olympics, Athens (3rd place)
2005 – European Nations Cup, Leipzig (3rd place)
2005 – Champions Trophy, Chennai (4th place)
2006 – Champions Trophy, Terrassa (2nd place)
2006 – 11th World Cup, Mönchengladbach (1st place)
2007 – European Nations Cup, Manchester (4th place)
2007 – Champions Trophy, Kuala Lumpur (1st place)