Keith Arlen Magnuson (born 27 April 1947, Saskatoon, Saskatchewan, † December 15, 2003 in Vaughan, Ontario ) was a Canadian professional ice hockey player who played during his playing career for the Chicago Blackhawks of the National Hockey League on the position of the defender.
Keith Magnuson began his career in 1963 at the Saskatoon Midwest Litho, before he moved to the Saskatchewan Junior Hockey League in the following year the Saskatoon Blades. In 59 games he reached 13 points and received 83 penalty minutes. From 1965 to 1969 he played ice hockey team from the University of Denver, with whom he won two national college championships. Magnuson was never drafted and signed in September 1969 as a free agent contract with the Chicago Blackhawks. In his first season he was able to secure a regular place in the NHL team the Blackhawks when he ran aground in 84 games and scored 23 points.
In the same season he won with the team for the first time the East Division. After the team was able to defeat in the first round of the play -offs and the Detroit Red Wings in four games, followed in the second round against the Boston Bruins departure from the competition. In the following season the team again won the division title and defeated in the play- offs, the Philadelphia Flyers and New York Rangers.
In the ongoing series to seven games to win the Stanley Cup with the Blackhawks Magnuson lost narrowly to the Montreal Canadiens. Although he was able to achieve during his time in Chicago with the team eight times the Division title, the team was never successful in a finals series.
Directly after end of his career as an active player, he took over the post of head coach with the Black Hawks and led the team through the 1980/81 season. The team qualified for the play-offs, but lost in the first round against the Calgary Flames. During the following season he was transferred to moderate results replaced by Bob Pulford.
On 15 December 2003 he died in a traffic accident, in the well of the former ice hockey player Rob Ramage was involved. Ramage was sentenced to four years in prison. The Chicago Blackhawks honored the deceased Magnuson on 12 November 2008, when she hung his jersey with the number 3 of the porch ceiling of the United Center. The number is assigned more than to any other player in the Blackhawks.