Hermann Hreiðarsson (born 11 July 1974) is an Icelandic former footballer and football coach.
He played as a defender and spent 15 seasons in England, gaining a total of 315 appearances in the Premier League.
Hermann was relegated from the Premier League five times, a record he holds jointly with Nathan Blake.
He was relegated with every Premier League club he has played for: Crystal Palace (1997–98 season), Wimbledon (1999–2000), Ipswich Town (2001–02), Charlton Athletic (2006–07), and Portsmouth (2009–10).