Sydney Arthur Fisher, PC (June 12, 1850 – April 9, 1921) was a Canadian politician.

Born in Montreal, Canada East, he was educated at the High School of Montreal, McGill University, and finally Trinity College, Cambridge.

[1] A farmer, he first ran for the House of Commons of Canada in an 1880 by-election for the riding of Brome.

A Liberal, he lost to the Conservative candidate Eugène Alphonse Dyer by 3 votes in the 1891 election.

There is a Sydney Arthur Fisher fonds at Library and Archives Canada.