Supreme Court of Canada Justices

(term served on the Court)

- The Right Honourable Beverley McLachlin (1989-2017) (Chief Justice 2000-2017)

- The Honourable Ian Binnie (1998-2011)
- The Honourable Rosalie Abella (2004-present)
- The Honourable Louise Arbour (1999-2004)
- The Honourable Claire L'Heureux-Dube (1987-2002)
- The Honourable Ronald Martland (1958-1982)

Other notable Canadian members

- The Honourable John Black Aird, 23 rd Lieutenant Governor of Ontario
- The Honourable Lincoln Alexander, trail blazing member of Parliament, Minister of Labour and 24th Lieutenant Governor of Ontario, Past Chancellor of University of Guelph
- The Honourable Archie Campbell, former professor at Osgoode Hall Law School, senior policy advisor to Attorney General McMurtry, Justice of the Ontario Superior Court of Justice and Commissioner on the Paul Bernando and SARS inquiries and former Board member of Phi Delta Phi (Ontario) Society
- Professor Peter Hogg, professor at Osgoode Hall Law School, past Dean, and the leading authority on Constitutional Law in Canada with his text being the single most cited by the Supreme Court of Canada
- The Honourable Roy McMurtry, former Attorney General for Ontario, was a key player in the 'Kitchen Accord' that resulted in the patriation of the Canadian constitution, former High Commissioner to the United Kingdom for Canada, former Chief Justice of the Ontario Court of Appeal, and former Chancellor of York University, keynote speaker at the 100th Anniversary Banquet for Osgoode Inn
- The Right Honourable Roland Michener, 20th Governor General of Canada, Past Chancellor of Queen's University
- The Honourable Bob Rae, former interim leader of the Liberal Party of Canada, 21st Premier of Ontario
- The Right Honourable John Turner, 17th Prime Minister of Canada, former Minister of Justice, former Minister of Finance
 

U.S. Presidents

(term served in office)

- President Gerald R. Ford (1974-1977)
- President Franklin D. Roosevelt (1933-1945)
- President William H. Taft (1909-1913)
- President Theodore Roosevelt (1901-1909)
- President William McKinley (1897-1901)

Supreme Court of the United States Justices

(term served on the Court)

- Chief Justice Earl Warren (1953-1969)
- Chief Justice William H. Rehnquist (1972-2005)
- Associate Justice Anthony M. Kennedy (1988-2018)
- Associate Justice Antonin Scalia (1986-2016)
- Associate Justice John Paul Stevens (1975-2010)
- Associate Justice Sandra Day O'Connor (1981-2006)
- Associate Justice Byron R. White (1962-1993)
- Associate Justice Thurgood Marshall (1967-1991)
- Associate Justice William J. Brennan (1956-1990)
- Associate Justice Lewis Franklin Powell, Jr. (1972-1987)
- Associate Justice Potter Stewart (1958-1981)
- Associate Justice Hugo Black (1937-1971)
- Associate Justice Benjamin N. Cardozo (1932-1938)
- Associate Justice William H. Taft (1921-1930)