Brian Johnston Porter (born 9 February 1958) is a Canadian banker who served from 2012 to 2022 as president of the Bank of Nova Scotia.
Porter began his career in 1981 with the investment brokerage McLeod Young Weir, which was acquired in 1987 by the Bank of Nova Scotia.
Over the ensuing decades he was appointed to a series of increasingly senior roles with McLeod and the bank.
He began his career in 1981 with the investment brokerage house McLeod Young Weir Limited, and by 1986 had become a vice-president.
In December 1987, McLeod Young Weir was acquired by the Bank of Nova Scotia and renamed ScotiaMcLeod.