Port Arthur was a city in northwestern Ontario, Canada. It was on the northwest shore of Lake Superior,
It is now part of the city of Thunder Bay.

Port Arthur management carrying Pattison Cup and Allan Cup in 1929.
Teams[]
- (International American Hockey League, 1936-1938) withdrew
- (International American Hockey League, 1946-1947)
- (Thunder Bay Senior Hockey League, 1951-1958) drop to Intermediate level
- (Thunder Bay Senior Hockey League, 1960-1970) merge with Fort William Beavers to form Thunder Bay Twins of the United States Hockey League
- (Thunder Bay Junior Hockey League, 1943-1946) revert to Juniors name
- (Thunder Bay Junior Hockey League, 1950-1953) renamed North Stars
- Port Arthur Garrison Boys Club
- Port Arthur Hockey Club (New Ontario Hockey League, 1908-1909) also known as Bearcats and Lake City
- Port Arthur Indians
- Port Arthur Juniors
- (Thunder Bay Junior Hockey League, 1925-1943) renamed Flyers
- (Thunder Bay Junior Hockey League, 1946-1949) renamed Flyers
- Port Arthur Lake City also known as Port Arthur Hockey Club and Port Arthur Bearcats
- (New Ontario Hockey League, 1907-1908)
- (New Ontario Hockey League, 1909-1912)
- Port Arthur MacDonald-Cartier (Thunder Bay Junior Hockey League, 1934-1935)
- Port Arthur Marrs (Thunder Bay Junior Hockey League, 1966-1970) become Thunder Bay Marrs when town is amalgamated
- Port Arthur North End
- Port Arthur North Ends
- Port Arthur North Stars (Thunder Bay Junior Hockey League, 1953-1966) become Westfort Hurricanes
- Port Arthur Pirates
- Port Arthur Shipbuilders
- Port Arthur Spitfires
- Port Arthur Thunder Bays New Ontario Hockey League, 1907-1911)
- Port Arthur West End
- (Thunder Bay Junior Hockey League, 1925-1932) become West End Retrievers
- (Thunder Bay Junior Hockey League, 1933-1946) become West End Bruins
- Port Arthur West End Bruins (Thunder Bay Junior Hockey League, 1945-1955)
- Port Arthur West End Retrievers (Thunder Bay Junior Hockey League, 1932-1932) revert to West End name
- Port Arthur YMCA (Twin City Amateur Senior Hockey League, 1912-1913)
Players[]
- Ken Brown
- Ray Ceresino
- Dave Creighton
- Bruce Gamble
- James Haggarty
- Steve Hrymnak
- Bill Johansen (born in Oslo, Norway but grew up in Port Arthur)
- Dick Kotanen
- Pentti Lund (born in Finland but grew up in Port Arthur)
- Stu McNeill
- Rudy Migay
- Norval Olsen
- Al Pudas (born in Finland but grew up in Port Arthur)
- John Schella
- Alex Wellington
- Phat Wilson
Arenas[]
- Port Arthur Outdoor Rink (on Lake Superior) used up to 1923
- Lake City Rink (1903-1920?)
- Lake City Arena (1923-1931) burned down in 1931
- Port Arthur Arena (1932-1959) torn down in 1959
After the Port Arthur Arena was closed it appears much of the hockey in the area was played out of the Fort William Gardens in Fort William, Ontario which opened in 1951. The two cities would form Thunder Bay in 1970.