Björn Heinrich Walter Bregy (born September 30, 1974) is a Swiss super heavyweight kickboxer, European Yoseikan Budo Champion and K-1 Europe 2006 in Amsterdam tournament Champion.
Bregy made his K-1 debut on June 3, 2000 at K-1 Fight Night 2000 in Zürich, Switzerland, against Reinhard Ulz. He won the fight by 2 round TKO.
On May 21, 2005, in Stockholm, Sweden, Bregy beat all three opponents Pavel Majer, Denis Grigoriev and Gary Turner and won his first K-1 tournament title. In 2006 Bregy continued his strong performance in K-1 World GP in Amsterdam, winning the tournament by three consecutive KO's over Freddy Kemayo, Naoufal Benazzouz and Gokhan Saki and qualified himself for K-1 World GP Final Elimination 2006 in Osaka, Japan. He was matched up against the defending K-1 World champion Semmy Schilt, and lost the fight by first round left hook KO.
On February 9, 2008 at K-1 Europe Elimination GP in Budapest, Hungary, Bregy knocked out Paula Mataele and qualified for the K-1 European GP held in Amsterdam, Netherlands.