Stephen Joseph Furniss (8 May 1875 – 2 September 1952) was a Liberal party member of the Canadian House of Commons. He was born in Mara Township, Ontario and became a farmer by career.Furniss's ancestors were originators of the Furniss Steamship Lines. He attended school in Mara Township then at Ontario Business College.He was first elected to Parliament at the Muskoka—Ontario riding in the 1935 general election then re-elected in 1940.