Burt Wendell Fansher (6 May 1880 – 1 April 1941) was a Progressive party member of the House of Commons of Canada who, in the 1935 federal election, ran as a Reconstruction Party candidate.
After serving one term at Lambton East, Armstrong defeated Fansher in the 1925 election.
In the 1926 election, Fansher won back the riding from Armstrong.
After another term, Fansher was defeated by John Thomas Sproule of the Conservatives in the 1930 federal election.
On this occasion, Fansher ran as a Reconstruction Party candidate but both he and Sproule lost to Hugh MacKenzie of the Liberals.