Donald Alexander Smith, 1st Baron Strathcona and Mount Royal, known as Sir Donald A. Smith between May 1886 and August 1897, was a Scottish-born Canadian businessman who became one of the British Empire's foremost builders and philanthropists. He became commissioner, governor and principal shareholder of the Hudson's Bay Company. He was president of the Bank of Montreal and with his first cousin, George Stephen, co-founded the Canadian Pacific Railway. He was elected to the Legislative Assembly of Manitoba and afterwards represented Montreal in the House of Commons of Canada. He was Canadian High Commissioner to the United Kingdom from 1896 to 1914. He was chairman of Burmah Oil and the Anglo-Persian Oil Company. He was chancellor of McGill University (1889–1914) and the University of Aberdeen.

The Bank of Montreal is a Canadian multinational investment bank and financial services company.