William Frederick Purdy (born June 5, 1940) was a provincial level politician from Alberta, Canada.
By winning the constituency he defeated incumbent Ralph Jespersen by a close margin.
The field was crowded with four opposing candidates but Purdy easily retained his seat.
[3] He ran for a third term in the 1979 general election winning his district with a larger landslide then 1975.
In that election he faced six other candidates but still won the biggest landslide of his career topping 10,000 votes.