Mather Byles Almon (1796 – 30 July 1871) was a Canadian banker, politician, and philanthropist. Born in Halifax, Nova Scotia, Almon was a founder of the Bank of Nova Scotia. He was president of the bank from 1837 to 1870. He also helped with the administration of Halifax and Nova Scotia, and was appointed to the legislative and executive councils of the province. Originally aligned with Tory politicians, he left the party to join the Anti-Confederation Party in 1864.