William Hannum Wightman (April 23, 1929 – February 28, 2017) was a Canadian politician.
He was a member of the House of Commons of Canada from 1979 to 1980 who represented the east Toronto riding of Scarborough West.
Wightman was born in the Canadian province of Quebec in the city of Montreal; officially Montréal Québec.
[2] He served as a backbench supporter of the short-lived minority government of Joe Clark.
In 1980, he came in third place behind the winner, Liberal David Weatherhead and runner-up John Paul Harney.