Thomas Sutherland Parker
 Thomas Sutherland Parker (April 3 1829 – October 24 1868) was a physician and political figure in Ontario Canada. He represented Wellington Centre in the Canadian House of Commons as a Liberal member from 1867 to 1868.He was born in Bradford in Upper Canada in 1829 the son of Robert Parker. He studied medicine at Victoria College in Cobourg and Jefferson Medical College in Philadelphia became a doctor and practiced medicine in Guelph.