The Leader of the Opposition (French: Chef de l'Opposition) in British Columbia is the MLA in the Legislative Assembly of British Columbia who leads the political party recognized as the Official Opposition. This status generally goes to the leader of the second largest party in the Legislative Assembly.

Leaders of the Opposition

Liberal Leaders

• James Alexander MacDonald (1903-1909)
• Harlan Carey Brewster (1911-1912)
  • None as he lost his seat in 1912 provincial election
• Harlan Carey Brewster (1916-1916)

Conservative Leaders

• William John Bowser (1916-1924)
  • Robert Henry Pooley (unofficial) (1924-1928)

Liberal Leader

• Thomas Dufferin Pattullo (1929-1933)

Co-operative Commonwealth Federation (British Columbia Section) Leader

• Robert Connell (1933-1936)

Social Reconstructive Leader

• Robert Connell (1936-1937)

Conservative Leaders

• Frank Porter Patterson (1937-1938)
• Royal Lethington Maitland (1938-1941)

Co-operative Commonwealth Federation (British Columbia Section) Leader

• Harold Winch (1941-February 1952)

Conservative Leader

• Herbert Anscomb (February 1952-June 1952)

Co-operative Commonwealth Federation (British Columbia Section) Leaders

• Harold Winch (June 1952-1953)
• Arnold Webster (1953-1956)
• Robert Strachan (1956-1961)

New Democratic Leaders

• Robert Strachan (1961-1969)
• Thomas Berger (1969-1969)
• Dave Barrett (1969-1972)

Social Credit Leaders

• W.A.C. Bennett (1972-1973)
• Bill Bennett (1973-1975)

New Democratic Leaders

• William Stewart King (1975-1976)
• Dave Barrett (1976-1984)
• Robert Skelly (1984-1987)
• Michael Harcourt (1987-1991)

Liberal Leaders

• Gordon Wilson (1991-1993)
• Fred Gingell (1993-1994)
• Gordon Campbell (1994-2001)

New Democratic Leaders

• Joy MacPhail (2001-2005)
• Carole James (2005-2011)
• Dawn Black (2011-2011)
• Adrian Dix (2011-2014)
• John Horgan (2014-Present)