William (Bill) Tupper (born 7 October 1933) was a Progressive Conservative party member of the House of Commons of Canada. He was a businessman, geologist and professor of geology by career. He was the mayor of Rideau Township from 1974 to 1978.

He was elected at Nepean—Carleton electoral district in the 1984 federal election, thus he served in the 33rd Canadian Parliament. In the 1988 federal election, he ran in the Nepean riding but was defeated by Beryl Gaffney of the Liberal party.

Electoral record

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1988 Canadian federal election
Party Candidate Votes
Liberal Beryl Gaffney 26,632
Progressive Conservative William Tupper 23,399
New Democratic Bea Murray 6,119
Commonwealth of Canada Debbie Brennan 292
1984 Canadian federal election
Party Candidate Votes % ±%
Progressive Conservative William Tupper 41,663 55.9 +2.4
Liberal Gord Hunter 20,852 28.0 -5.1
New Democratic Bea Murray 11,035 14.8 +2.6
Green Gregory Vezina 737 1.0
Independent Ray Turmel 204 0.3
Total valid votes 74,491 100.0
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