Albert Blellock Hudson (August 21, 1875 – January 6, 1947) was a politician, lawyer and judge from Manitoba, Canada. He served in the Legislative Assembly of Manitoba from 1914 to 1920 as a member of the Manitoba Liberal Party, and was a cabinet minister in the government of Tobias Norris. He later served in the House of Commons of Canada from 1921 to 1925, as a member of the Liberal Party of Canada. In 1936, Hudson was appointed to the Supreme Court of Canada.