George Seifert (born January 22, 1940) is a former NFL head coach of the San Francisco 49ers and the Carolina Panthers. Seifert joined the 49ers' coaching staff under Bill Walsh in 1980 as defensive backs coach and served as the team's defensive coordinator from 1983–1988.
As a 49er assistant, his defenses finished in the top ten in fewest points allowed in each of his six seasons in that capacity - 4th in 1983, 1st in 1984, 2nd in 1985, 3rd in 1986 and 1987, and 8th in 1988. His final two defenses, 1987 and 1988, finished first and third in fewest yards allowed, respectively. In 1989, he was elevated to head coach, He is one of only thirteen NFL head coaches with more than one Super Bowl victory, winning in convincing fashion during both the 1989 and 1994 seasons with the San Francisco 49ers. In all, Seifert coached on five Super Bowl champion teams with the 49ers.
Seifert also coached at the college level, leading Westminster College and Cornell University's football teams. He was also an assistant at the University of Utah (his alma mater), Stanford University, the University of Oregon and the University of Iowa.