William Wallace Chalmers (November 1, 1861 – October 1, 1944) was a U.S. Representative from Ohio.

Born in Strathroy, Canada West, Chalmers moved with his parents to Kent County, near Grand Rapids, Michigan, in 1865.

Superintendent of schools in Grand Rapids, Michigan from 1890 to 1898 and in Toledo, Ohio from 1898 to 1905.

He engaged at different periods in farming, lumbering and, in the real-estate and insurance business at Toledo, Ohio.

This article incorporates public domain material from the Biographical Directory of the United States Congress