Incumbents
- Monarch: Elizabeth II
- Governor General: Jeanne Sauvé then Ray Hnatyshyn
- Prime Minister: Brian Mulroney
- Premier of Alberta: Don Getty
- Premier of British Columbia: Bill Vander Zalm
- Premier of Manitoba: Gary Filmon
- Premier of New Brunswick: Frank McKenna
- Premier of Newfoundland: Clyde Wells
- Premier of Nova Scotia: John Buchanan then Roger Bacon
- Premier of Ontario: David Peterson then Bob Rae
- Premier of Prince Edward Island: Joe Ghiz
- Premier of Quebec: Robert Bourassa
- Premier of Saskatchewan: Grant Devine
Read more about this topic: 1990 In Canada