William Roche (February 11, 1842 – October 19, 1925) was a Canadian politician and merchant.

[2] Roche was vice-president of the Union Bank of Canada[dubious – discuss] and President of the Halifax Fire Insurance Company.

[3] Roche served as a member of the Legislative Assembly of Nova Scotia from 1886 to 1897.

He was summoned to the Senate of Canada on the advice of Wilfrid Laurier representing the senatorial division of Halifax, Nova Scotia in 1910.

[1] His uncle Charles Roche served in the Nova Scotia assembly.