Harald Hasselbach (born September 22, 1967) is a former defensive end who played 7 seasons in the NFL for the Denver Broncos. He played for the Broncos from 1994 to 2000 and was a starter in Super Bowl XXXIII. Previously, he played four seasons for the Calgary Stampeders of the CFL and also played in a Grey Cup winning team. He is one of the few players to have been a part of a winning team in a Grey Cup and a Super Bowl.
Hasselbach is a younger brother of the Dutch television presenter Ernst-Paul Hasselbach, who died in a road accident in 2008.