Petra Lammert (born 3 March 1984 in Freudenstadt, Baden-Württemberg) is a former Germanshot putter and current bobsledder. She was the 2009 European Indoor champion in the shot put and medallist at the 2006 European Athletics Championships. Her personal best throw in the shot put is 20.04 metres, achieved in May 2007 in Zeven. She was the runner-up in the two-woman bobsled at the 2012 World Championships.
In November 2010 she announced her retirement from the sport through persistent elbow injury she had first sustained after a fall in training two years earlier.[3] In early 2011 she decided to turn her athletic prowess to bobsleigh and she quickly established herself as one of Germany's best female brakewomen. She was selected to compete in the two-woman event at the FIBT World Championships 2012 alongside Sandra Kiriasis and won the silver medal, finishing a third of a second behind the winning Canadian team.[4] In the 2011–12 Bobsleigh World Cup series she finished in the top three in Igls, Altenberg and Calgary.