A list of parliamentary opposition leaders in the Canadian province of Saskatchewan, from 1906 to the present. Saskatchewan Co-operative Commonwealth Federation Labour candidate Saskatchewan Liberal Party Saskatchewan New Democratic Party Progressive Party of Saskatchewan Provincial Rights Party / Conservative Party of Saskatchewan / Progressive Conservative Party of Saskatchewan Saskatchewan Party (2)The Saskatchewan CCF officially became the Saskatchewan NDP on November 25, 1967. (4)Mr. Richard James Swenson was designated Leader of the Opposition on January 1, 1993.