Stefanie Biskupek-Kräker (née Kräker; 21 April 1960) is a German former gymnast who competed for East Germany at the 1976 and 1980 Olympic Games. Over her career she won four Olympic medals and six world championship medals.

Kräker began competing on the GDR national team in 1976. One of her earliest senior competitions was the 1976 Summer Olympics in Montreal, where she won a team bronze medal.

Following these Olympics Kräker emerged as a major member of the GDR team. In 1977 she became the 1977 GDR national champion and won a bronze on the uneven bars at the 1977 European Championships. At the 1978 World Championships in Strasbourg she won two bronze medals: team and vault. At the 1979 World Championships in Fort Worth she again won bronze with the team and on vault.

The 1980 Olympic Games were Kräker's most successful championship; she received team and bars bronze medals and a silver medal on the vault. Kräker's last major competition was the 1981 World Championships in Moscow where she won team and vault bronze medals.

Kräker was awarded the Patriotic Order of Merit in 1980.

After her retirement, Biskupek-Kräker became an international judge.

Biskupek-Kräker now works as a child psychologist and psychotherapist in her hometown of Leipzig. She was inducted into the International Gymnastics Hall of Fame in 2011.^[1]

Kräker has one eponymous skill listed in the Code of Points.^[2][3]

• 1979 World Artistic Gymnastics Championships
• 1981 World Artistic Gymnastics Championships
• Gymnastics at the 1976 Summer Olympics
• Gymnastics at the 1980 Summer Olympics
• List of Olympic medalists in gymnastics (women)

• https://web.archive.org/web/20101111082133/http://www.gymn.ca/gymnasticgreats/wag/kraker.htm
• Steffi Kräker at the International Gymnastics Federation
• Steffi Kräker at the International Gymnastics Hall of Fame
• Steffi Kräker at Olympics.com
• Steffi Kräker at Olympedia