The Ottawa 67's are a major junior ice hockey team based in Ottawa, Ontario, Canada, that plays in the Ontario Hockey League (OHL). Established during Canada's centennial year of 1967 and named in honour of this, the 67's currently play their home games at TD Place Arena. The 67's are three-time OHL champions, and have played in the Memorial Cup five times, winning in 1984 and as host team in 1999.

The Ontario Hockey League is one of the three major junior ice hockey leagues which constitute the Canadian Hockey League. The league is for players aged 16–20. There are currently 20 teams in the OHL: seventeen in Ontario, two in Michigan, and one in Pennsylvania.