Joseph Tweed Shaw was a Canadian politician. He served in the House of Commons of Canada from 1921 to 1925 as an independent Labour Member of Parliament (MP), and later became an MLA and leader of the Alberta Liberal Party.

The Alberta Liberal Party is a provincial political party in Alberta, Canada. Founded in 1905, it is the oldest active political party in Alberta and was the dominant political party until the 1921 election, with the first three provincial Premiers being Liberals. Since 1921, it has formed the official opposition in the Legislative Assembly of Alberta several times, most recently from 1993 until 2012. Fourteen Liberals have served as Leader of the Opposition of Alberta.