1975 Ontario general election

The 1975 Ontario general election was held on September 18, 1975, to elect the 125 members of the 30th Legislative Assembly of Ontario (Members of Provincial Parliament, or "MPPs") of the Province of Ontario, Canada.

The Ontario Progressive Conservative Party, led by Bill Davis and campaigning under the slogan, "Your Future. Your choice.", won a tenth consecutive term in office but lost its majority in the legislature for the first time since the 1945 election. The PC party lost 27 seats from its result in the previous election.

The social democratic Ontario New Democratic Party, led by Stephen Lewis with the slogan "Tomorrow starts today", doubled its representation in the legislature, and became the Official Opposition on the strength of a campaign which called for rent control in Ontario and highlighted horror stories of individuals victimized by bad landlords who imposed exorbitant rent increases. The campaign forced Davis' Tories to promise to implement rent controls shortly before the election.

The Ontario Liberal Party, led by Robert Nixon, won 16 additional seats, but lost the role of Official Opposition to the NDP. One member of its caucus was elected as a Liberal-Labour candidate.

Expansion of Legislative Assembly
An Act passed in May 1975 provided for an increase from 117 to 125 MPPs in the next Assembly:

Campaign
Among the independent candidates, there were 12 from the Social Credit League of Ontario who were not officially recognized as such as the party did not qualify for official party status under the Election Finances Reform Act, 1975.

Summary
! colspan=2 rowspan=2 | Political party ! rowspan=2 | Party leader ! colspan=4 | MPPs ! colspan=4 | Votes ! Candidates !1971 !1975 !± !# ! ± !% ! ± (pp)


 * style="text-align:left;"|Bill Davis
 * 125 || 78  || 51  || 27 || 1,192,592  || 272,721 || 36.07% || 8.43


 * style="text-align:left;"|Stephen Lewis
 * 125 || 19  || 38  || 19  || 956,904  || 63,025  || 28.94% || 1.79


 * rowspan="2" style="text-align:left;"|Robert Nixon
 * 123 || 20  || 35  || 15  || 1,125,615  || 211,873  || 34.04% || 6.29


 * 2 || – || 1  || 1  || 9,066  || 9,066  || 0.27% ||Returned


 * style="text-align:left;"|William Stewart
 * 33 || – || – || – || 9,120  || 7,500  || 0.28% || 0.23


 * style="text-align:left;"|Terry Coughlin
 * 15 || – || – || – || 4,437  || 4,437  || 0.13% ||New


 * style="text-align:left;"|Alcide Hamelin|| 13 || – || – || – || 4,146  || 2,942  || 0.13% || 0.09


 * || 17 || – || – || – || 4,093  || 12,866 || 0.12% || 0.40

! colspan="3" style="text-align:left;" | Total ! " colspan="2"|125 ! " colspan="2"|3,306,397 ! " colspan="2"| 100.00%
 * || 3 || – || – || – || 424  || 424  || 0.01% ||New
 * 456||117
 * colspan="7" style="text-align:left;" | Rejected ballots
 * 17,937
 * 122
 * colspan="2"|
 * colspan="7" style="text-align:left;" | Voter turnout
 * 3,310,776
 * 13,558
 * 67.82
 * 5.71
 * colspan="7" style="text-align:left;" | Registered electors
 * 4,503,142
 * 398,635
 * colspan="2"|
 * }
 * 398,635
 * colspan="2"|
 * }

Synopsis of results

 * = open seat
 * = turnout is above provincial average
 * = winning candidate was in previous Legislature
 * = not incumbent; was previously elected to the Legislature
 * = incumbent had switched allegiance
 * = incumbency arose from byelection gain
 * = previously incumbent in another riding
 * = Liberal-Labour candidate
 * = other incumbents renominated
 * = multiple candidates

MPPs elected by region and riding
Party designations are as follows:

{{legend|#9999FF|PC}} {{legend|#EA6D6A|Liberal}} {{legend|#F4A460|NDP}} {{legend|#EEBBBB|Liberal-Labour}}


 * Northern Ontario
 * {{legend|#F4A460|Algoma: Bud Wildman}}
 * {{legend|#9999FF|Algoma—Manitoulin : John Lane}}
 * {{legend|#9999FF|Cochrane North: René Brunelle}}
 * {{legend|#F4A460|Cochrane South: Bill Ferrier}}
 * {{legend|#F4A460|Fort William: Iain Angus}}
 * {{legend|#9999FF|Kenora: Leo Bernier}}
 * {{legend|#F4A460|Lake Nipigon: Jack Stokes}}
 * {{legend|#F4A460|Nickel Belt: Floyd Laughren}}
 * {{legend|#EA6D6A|Nipissing: Richard Smith}}
 * {{legend|#F4A460|Port Arthur: Jim Foulds}}
 * {{legend|#EEBBBB|Rainy River: T. Patrick Reid}}
 * {{legend|#9999FF|Sault Ste. Marie: John Rhodes}}
 * {{legend|#F4A460|Sudbury: Bud Germa}}
 * {{legend|#F4A460|Sudbury East: Elie Martel}}
 * {{legend|#F4A460|Timiskaming: Robert Bain}}


 * Ottawa Valley
 * {{legend|#9999FF|Carleton: Sid Handleman}}
 * {{legend|#F4A460|Carleton East: Evelyn Gigantes}}
 * {{legend|#9999FF|Lanark: Douglas Wiseman}}
 * {{legend|#F4A460|Ottawa Centre: Michael Cassidy}}
 * {{legend|#EA6D6A|Ottawa East: Albert Roy}}
 * {{legend|#9999FF|Ottawa South: Claude Bennett}}
 * {{legend|#9999FF|Ottawa West: Donald Morrow}}
 * {{legend|#9999FF|Prescott and Russell: Joseph Albert Bélanger}}
 * {{legend|#EA6D6A|Renfrew North: Sean Conway}}
 * {{legend|#9999FF|Renfrew South: Paul Yakabuski}}


 * Saint Lawrence Valley
 * {{legend|#9999FF|Carleton—Grenville: Donald Irvine}}
 * {{legend|#F4A460|Cornwall: George Samis}}
 * {{legend|#9999FF|Kingston and the Islands: Keith Norton}}
 * {{legend|#9999FF|Leeds: James Auld}}
 * {{legend|#9999FF|Stormont—Dundas—Glengarry: Osie Villeneuve}}


 * Central Ontario
 * {{legend|#EA6D6A|Frontenac—Addington: J. Earl McEwen}}
 * {{legend|#9999FF|Hastings-Peterborough: Clarke Rollins}}
 * {{legend|#9999FF|Northumberland: Russell Rowe}}
 * {{legend|#F4A460|Peterborough: Gillian Sandeman}}
 * {{legend|#9999FF|Prince Edward—Lennox: James A. Taylor}}
 * {{legend|#EA6D6A|Quinte: Hugh O'Neil}}
 * {{legend|#EA6D6A|Victoria—Haliburton: John Eakins}}


 * Georgian Bay
 * {{legend|#EA6D6A|Grey-Bruce: Eddie Sargent}}
 * {{legend|#9999FF|Muskoka: Frank Miller}}
 * {{legend|#9999FF|Parry Sound: Lorne Maeck}}
 * {{legend|#9999FF|Simcoe Centre: David Arthur Evans}}
 * {{legend|#9999FF|Simcoe East: Gordon Elsworth Smith}}


 * Hamilton/Halton/Niagara
 * {{legend|#9999FF|Brock: Bob Welch}}
 * {{legend|#9999FF|Burlington South: George Kerr}}
 * {{legend|#EA6D6A|Erie: Ray Haggerty}}
 * {{legend|#EA6D6A|Halton—Burlington: Julian Reed}}
 * {{legend|#F4A460|Hamilton Centre: Mike Davison}}
 * {{legend|#F4A460|Hamilton East: Robert W. Mackenzie}}
 * {{legend|#9999FF|Hamilton Mountain: John Smith}}
 * {{legend|#EA6D6A|Hamilton West: Stuart Smith}}
 * {{legend|#EA6D6A|Lincoln: Ross Hall}}
 * {{legend|#EA6D6A|Niagara Falls: Vince Kerrio}}
 * {{legend|#9999FF|Oakville: James Snow}}
 * {{legend|#9999FF|St. Catharines: Robert Mercer Johnston}}
 * {{legend|#F4A460|Welland: Mel Swart}}
 * {{legend|#F4A460|Wentworth: Ian Deans}}
 * {{legend|#EA6D6A|Wentworth North: Eric Cunningham}}


 * Midwestern Ontario
 * {{legend|#F4A460|Brantford: Mac Makarchuk}}
 * {{legend|#EA6D6A|Brant—Oxford—Norfolk: Robert Nixon}}
 * {{legend|#F4A460|Cambridge: Monty Davidson}}
 * {{legend|#9999FF|Dufferin—Simcoe: George McCague}}
 * {{legend|#EA6D6A|Grey: Bob McKessock}}
 * {{legend|#EA6D6A|Haldimand-Norfolk: Gordon Miller}}
 * {{legend|#EA6D6A|Huron–Bruce: Murray Gaunt}}
 * {{legend|#EA6D6A|Kitchener: Jim Breithaupt}}
 * {{legend|#EA6D6A|Kitchener—Wilmot: John Sweeney}}
 * {{legend|#9999FF|Oxford: Harry Craig Parrott}}
 * {{legend|#EA6D6A|Perth: Hugh Edighoffer}}
 * {{legend|#EA6D6A|Waterloo North: Edward R. Good}}
 * {{legend|#EA6D6A|Wellington South: Harry Worton}}
 * {{legend|#9999FF|Wellington—Dufferin—Peel: Jack Johnson}}


 * Southwestern Ontario
 * {{legend|#9999FF|Chatham—Kent: Darcy McKeough}}
 * {{legend|#9999FF|Elgin: Ron McNeil}}
 * {{legend|#EA6D6A|Essex North: Dick Ruston}}
 * {{legend|#EA6D6A|Essex South: Remo Mancini}}
 * {{legend|#EA6D6A|Huron–Middlesex: Jack Riddell}}
 * {{legend|#EA6D6A|Kent—Elgin: Jack Spence}}
 * {{legend|#9999FF|Lambton: Lorne Henderson}}
 * {{legend|#EA6D6A|London Centre: David Peterson}}
 * {{legend|#EA6D6A|London North: Marvin Shore}}
 * {{legend|#EA6D6A|London South: John Ferris}}
 * {{legend|#9999FF|Middlesex: Robert G. Eaton}}
 * {{legend|#EA6D6A|Sarnia: Jim Bullbrook}}
 * {{legend|#F4A460|Windsor—Riverside: Fred Burr}}
 * {{legend|#F4A460|Windsor—Sandwich: Ted Bounsall}}
 * {{legend|#EA6D6A|Windsor—Walkerville: Bernard Newman}}


 * Peel/York/Durham
 * {{legend|#9999FF|Brampton: Bill Davis}}
 * {{legend|#F4A460|Durham East: Doug Moffatt}}
 * {{legend|#9999FF|Durham North: Bill Newman}}
 * {{legend|#F4A460|Durham West: Charles Godfrey}}
 * {{legend|#9999FF|Mississauga East: Bud Gregory}}
 * {{legend|#9999FF|Mississauga North: Terry David Jones}}
 * {{legend|#9999FF|Mississauga South: Douglas Kennedy}}
 * {{legend|#F4A460|Oshawa: Michael Breaugh}}
 * {{legend|#EA6D6A|York Centre: Alfred Stong}}
 * {{legend|#9999FF|York North: William Hodgson}}


 * Metropolitan Toronto
 * {{legend|#EA6D6A|Armourdale: Philip Givens}}
 * {{legend|#F4A460|Beaches—Woodbine: Marion Bryden}}
 * {{legend|#F4A460|Bellwoods: Ross McClellan}}
 * {{legend|#9999FF|Don Mills: Dennis Timbrell}}
 * {{legend|#F4A460|Dovercourt: Tony Lupusella}}
 * {{legend|#F4A460|Downsview: Odoardo Di Santo}}
 * {{legend|#9999FF|Eglinton: Roy McMurtry}}
 * {{legend|#F4A460|Etobicoke: Ed Philip}}
 * {{legend|#F4A460|High Park—Swansea: Ed Ziemba}}
 * {{legend|#9999FF|Humber: John MacBeth}}
 * {{legend|#F4A460|Lakeshore: Patrick Lawlor}}
 * {{legend|#F4A460|Oakwood: Tony Grande}}
 * {{legend|#9999FF|Oriole: John Reesor Williams}}
 * {{legend|#F4A460|Parkdale: Jan Dukszta}}
 * {{legend|#F4A460|Riverdale: Jim Renwick}}
 * {{legend|#9999FF|St. Andrew—St. Patrick: Larry Grossman}}
 * {{legend|#9999FF|St. David: Margaret Scrivener}}
 * {{legend|#EA6D6A|St. George: Margaret Campbell}}
 * {{legend|#9999FF|Scarborough Centre: Frank Drea}}
 * {{legend|#9999FF|Scarborough East: Margaret Birch}}
 * {{legend|#9999FF|Scarborough North: Thomas Wells}}
 * {{legend|#F4A460|Scarborough West: Stephen Lewis}}
 * {{legend|#F4A460|Scarborough—Ellesmere: David Warner}}
 * {{legend|#EA6D6A|Wilson Heights: Vernon Singer}}
 * {{legend|#9999FF|York East: Arthur Meen}}
 * {{legend|#9999FF|York Mills: Bette Stephenson}}
 * {{legend|#F4A460|York South: Donald C. MacDonald}}
 * {{legend|#9999FF|York West: Nick Leluk}}
 * {{legend|#F4A460|Yorkview: Fred Young}}