Ray "Scampy" Scapinello (born November 5, 1946 in Guelph, Ontario) is a former National Hockey League linesman. Scapinello's career included the 1998 Winter Olympics, 20 Stanley Cup Finals, 2,500 regular season games, and 426 playoff games. He retired in June 2004 after 33 seasons. Over the course of his career, Scapinello never missed a single game due to injury or illness.

Stephen Walkom (b. August 8, 1963 in North Bay, Ontario), currently serves as vice president and director of officiating for the National Hockey League (NHL). He is married to Annie and together they have three children. They reside in Moon Township, Pennsylvania. Walkom is a former NHL referee, until retiring August 3, 2005 when he elevated to the management position. Walkom succeeded Andy Van Hellemond as director of officiating, …

Bruce Hood (b. 1937) was born in Campbellville, Ontario, Canada. He has been an author, businessman, politician, and professional ice hockey referee in the National Hockey League (NHL).

Kerry Fraser (born May 30, 1952, in Sarnia, Ontario) has been a National Hockey League referee since September 1, 1973. At just tall, Fraser says that his height contributed to his longevity in the league, by forcing him to "develop techniques to ... avoid being hit" He is the NHL's most senior official, having called more than 1,550 regular season games and 250 Stanley Cup playoff games since joining the league in 1979.

Don Koharski (born December 2, 1955, in Dartmouth, Nova Scotia, Canada) is a professional ice hockey referee. He currently resides in Tampa, Florida with his wife and together they have two sons. He wears uniform number 12. Koharski began his officiating career as a linesman in the World Hockey Association as a 19-year old linesman in 1975, and in 1976 was signed by the American Hockey League, while working with a local dairy farm milking cows.

James Ogilvie "Odie" Cleghorn (Born - September 19 1891 in Montreal, Quebec, Canada - Died - July 13 1956 in Montreal, Quebec, Canada) was a Canadian professional ice hockey Right Winger, linesman and referee who played 10 seasons in the National Hockey League for the Montreal Canadiens and Pittsburgh Pirates. He won a Stanley Cup in 1924 with Montreal. Cleghorn was also a coach of the Pirates. It was during the 1925-26 season that he created the idea of set lines.

Paul Stewart (born March 24, 1952 in Jamaica Plain, Massachusetts) was a professional ice hockey player and National Hockey League (NHL) referee. Stewart is currently Men's League Supervisor of Officials for ECAC Hockey.

Bill "The Big Whistle" Chadwick (born October 10, 1915 in New York City) is a former referee for the National Hockey League whose career spanned the greater part of the 1940s and 1950s. He has been elected to both the Hockey Hall of Fame and the United States Hockey Hall of Fame. Chadwick spent 14 seasons as a hockey color analyst both on radio and television for the New York Rangers. From 1967-72, he worked on radio with Marv Albert, …

Andy Van Hellemond (born February 16, 1948, in Winnipeg, Manitoba, Canada) is a former National Hockey League referee and a member of the Hockey Hall of Fame since 1999. His officiating career included 19 Stanley Cup Finals. After retiring, Van Hellemond went to the East Coast Hockey League, where he held a management position there until being hired by the NHL in 2000 to replace Bryan Lewis as Director of Officiating.

Kevin Maguire (born January 5, 1963, in Toronto, Ontario) is a former professional ice hockey forward and referee. He played in the National Hockey League with the Toronto Maple Leafs, Buffalo Sabres, and Philadelphia Flyers. In his NHL career, Maguire appeared in 260 games. He scored 29 goals and added 30 assists while accumulating 782 penalty minutes. After his playing career, he pursued a career in officiating. He first worked as an NHL referee in 1999-2000.

Roy Alvin "Red" Storey, CM (March 5 1918 – March 15 2006) was a Canadian football player and National Hockey League referee. Born in Barrie, Ontario, Storey was working in a rail yard when he received an offer to play football with the Toronto Argonauts. He was on the team for six seasons from 1936 to 1941, winning the Grey Cup in 1937 and 1938—scoring three touchdowns in the fourth quarter of the 1938 game to give the Argos the victory.

Bryan Lewis (b. Alliston, Ontario) is a Canadian municipal politician and a former referee and Director of Officiating for the National Hockey League. His first NHL experience was in the 1966-67 NHL season. He worked more than 1000 games at the NHL level, and was named Director of Officiating in 1989, following the sudden death of his predeccesor, John McCauley. In this position, he oversaw a staff of 90, as well as the officiating of both the NHL and the AHL.

William "Bill" McCreary (born November 17, 1955, in Guelph, Ontario) is a referee in the National Hockey League. McCreary first refereed an NHL game in 1984, and since has since refereed in over 1300 NHL games. McCreary wears sweater #7. For the 13th year in a row McCreary has been selected to officiate the Stanley Cup Finals. No other person in modern NHL history has refereed more Stanley Cup games.

J. Cooper Smeaton (July 22, 1890 - October 3, 1978) was a Canadian professional ice hockey referee and head coach. Smeaton was born in Carleton Place, Ontario. In his first game in 1913, between the Montreal Canadiens and the Montreal Wanderers of the National Hockey Association, he was confronted by Newsy Lalonde after calling an offside. Smeaton promptly fined Lalonde $5 (Lalonde who was known as a bit of a "tightwad" never repeated the incident).

Stéphane Provost (Born: May 5, 1967 in Montreal, Quebec, Canada-Died: April 22, 2005 in Weston, Florida, USA) was a French Canadian National Hockey League linesman. Provost was killed in a road accident at approximately 3:30 a.m. Eastern Time while travelling on his motorcycle west on State Road 84 after hitting a tractor trailer. He was only 37 years old. The motorcycle burst into flames, falling onto Provost, who was not wearing a motorcycle helmet.

Fred J. (Mickey) Ion (born February 25, 1886, in Paris, Ontario - died October 26, 1964) was a professional ice hockey referee and Honoured Member of the Hockey Hall of Fame. A professional lacrosse player with the Toronto Tecumsehs, Ion signed with the Vancouver lacrosse team in 1910. The team was run by hockey entrepreneurs Lester Patrick and Frank Patrick, and when they started the Pacific Coast Hockey Association in 1911, …

Jay Sharrers (born July 3, 1967 in Jamaica) is a ice hockey linesman in the National Hockey League (NHL). As of the beginning of the 2006-07 NHL season, Sharrers has officiated in 748 regular season games and 87 playoff games. Sharrers began in the NHL in 1990 and has worked the Stanley Cup Finals in 1999 and 2007

Edwin S. "Chaucer" Elliott (born 1879 in Kingston, Ontario-Died March 13, 1913) was a referee/linesman in the National Hockey League. He was inducted into the Hockey Hall of Fame in 1961. He died of cancer at the age of 34.

Matt Pavelich (b. March 12, 1934 in Park Hill Gold Mines, Ontario) is a Canadian hockey linesman.

William Joseph Stewart (September 26 1894 - February 14 1964) was an American coach and sports official who was an ice hockey referee and coach, and also an umpire in Major League Baseball. In his first season as head coach of the Chicago Blackhawks, he led the team to a Stanley Cup championship in 1938. Born in Fitchburg, Massachusetts, he is the only American-trained head coach to win the Stanley Cup. He was also an umpire in the National League from 1933 to 1954, …

John David D'Amico (September 21, 1937-May 29, 2005) was a National Hockey League (NHL) linesman and later supervisor of officials. A native of Toronto, Ontario, D'Amico's NHL career started as a referee on October 12, 1964, when he was 28-years-old. He would only referee 19 games before becoming a linesman. He retired in 1987 as the last Original Six official. D'Amico's career included 1,689 regular season games and 247 Stanley Cup playoff games.

Swede Knox is a former NHL linesman who graduated from Athabasca University in 1999 with a Bachelor of Administration degree. He had 1,983 NHL games since 1972. Knox, as a linesman, later filled in as referee during a game in Toronto in the early 1990s, when Don Koharski couldn't finish the game and Kevin Maguire made his NHL officiating debut as a linesman. The changes were made before the third period. Knox wore Koharski's jersey, while Maguire wore Knox's jersey.

Ian "Scotty" Morrison (born April 22, 1930 in Montreal) is a former National Hockey League referee and vice-president, and the former president and chairman of the Hockey Hall of Fame. Morrison played junior hockey in Quebec and then became a referee, working in junior and senior amateur leagues. He moved to Vancouver to work in the Western Hockey League, and from there was hired by the NHL at the age of 24, at that time the youngest referee in league history.

John McCauley (d. June 3, 1989) was a NHL referee, who was forced to retire due to an eye injury in May 1981; he was subsequently given the position of Assistant Director of Officiating. He was named the NHL's Director of Officiating in 1986, and served in that capacity until his death (caused by surgical complications) in 1989.

Paul Devorski (born in Guelph, Ontario on August 18, 1958) is an National Hockey League referee. He is one of the selected referees who is officiating the 2007 Stanley Cup Finals with Dan O'Halloran.

Frank Joseph Udvari was a standout NHL referee during the 1950s and 60s. He was elected into the Hockey Hall of Fame in 1973.

Michael James Rodden (April 24, 1891 - January 11, 1978) was a Canadian sports journalist, National Hockey League referee, and football coach. Born in Mattawa, Ontario, Rodden officiated in 1,187 National Hockey League games. As a football coach, he led the Hamilton Tigers to Grey Cup championships in 1928 and 1929. He was the first person to be elected to both the Hockey Hall of Fame (1962) and the Canadian Football Hall of Fame (1964).

Alexander Edward "Porky" Romeril was a Canadian amateur ice hockey player, football player, National Hockey League referee, and the first coach of the Toronto Maple Leafs. Romeril played junior hockey with the Toronto Canoe Club, winning the Ontario Hockey Association championship in 1912 with Romeril playing rover. He was offered $70 a week to turn professional with the Toronto Blueshirts in 1912-13, but declined and played for the TCC senior team.

George Hayes (born June 21, 1914 in Montreal, Quebec, Canada - November 19, 1987) was a referee in the National Hockey League. Hayes started referring in the NHL in 1946. He was the first official to work 1,000 games. He was also a part of a European tour with the New York Rangers and Boston Bruins in 1959. In 1965, he refused to take an eye exam that then NHL President Clarence Campbell wanted all officials to take. He would never official another NHL game after that.

Bobby Hewitson (born January 23, 1892 in Toronto, Ontario - January 9, 1969) was the first curator of the Hockey Hall of Fame in Toronto, Ontario, Canada. He was a referee in the National Hockey League from 1920 to 1934. In 1962, he was indicted into the Hockey Hall of Fame for his service to ice hockey.

Dan O'Halloran is an National Hockey League referee. He is one of the selected referees who is officiating the 2007 Stanley Cup Finals with Paul Devorski.