Sol Simon Reisman OC (June 19, 1919 – March 9, 2008^[1]) was a Canadian civil servant, and the country's chief negotiator for the Canada-United States Free Trade Agreement.

Born in Montreal, Quebec, the son of Kolman and Manya Reisman, Reisman graduated from Baron Byng High School^[1] before receiving a Bachelor of Arts degree in economics and political science in 1941 and a Master of Arts degree in 1942 from McGill University.^[2] He was a veteran of the Second World War, having served in Italy, the Netherlands and Germany with the Royal Canadian Artillery.^[3] After the war, he studied at the London School of Economics.^[3]

In 1946, he entered public service joining the Department of Labour. Reisman was a member of Canada's delegation to the inaugural session of the General Agreement on Tariffs and Trade in the late 1940s.^[3] He made major contributions toward the drafting of the Canada-U.S. Auto Pact.^[4] Reisman rose to senior positions in the public service, including deputy minister in the Department of Finance and the Department of Industry before retiring in 1975.^[3] Following the election of Brian Mulroney, Reisman sent the new prime minister a memo advocating free trade negotiations with the United States.^[3] Mulroney accepted Reisman's plan and, in 1985, tapped him to lead Canada's trade negotiations with the United States.^[3] Between 1991 and 2000, Reisman served as the Chairman of the Board of Ranger Oil Limited.

Reisman was made an Officer of the Order of Canada in 1978^[5] and received the Outstanding Public Service Award in 1974.^[3]

He was married to Constance Carin for 65 years. They had three children,^[1] Joe, Anna, and Harriet, and nine grandchildren.^[1] He is uncle to Heather Reisman of Indigo Books of Toronto.

He died at Ottawa, Ontario on March 9, 2008, at the age of 88.^[1]