The following riding results occurred during the 2003 Ontario general election held on October 2, 2003.

Ottawa

|bgcolor=whitesmoke|Nepean—Carleton | |Rod Vanier 20,878 (35.65%) || |John Baird 31,662 (54.06%) | |Liam McCarthy 3,828 (6.54%) | |Matt Takach 2,200 (3.76%)

|John Baird |- |bgcolor=whitesmoke|Ottawa Centre || |Richard Patten 22,295 (45.1%) | |Joe Varner 11,217 (22.69%) | |Jeff Atkinson 11,362 (22.98%) | |Chris Bradshaw 3,821 (7.73%) | |Stuart Ryan (Comm)306 (0.62%)Matt Szymanowicz (F)218 (0.44%)Fakhry Guirguis (Ind)214 (0.43%) || |Richard Patten |- |bgcolor=whitesmoke|Ottawa—Orléans || |Phil McNeely 25,300 (50.36%) | |Brian Coburn 20,762 (41.32%) | |Ric Dagenais 2,778 (5.53%) | |Melanie Ransom1,402 (2.79%)

|Brian Coburn |- |bgcolor=whitesmoke|Ottawa South || |Dalton McGuinty 24,647 (51.7%) | |Richard Raymond 16,413 (34.43%) | |James McLaren 4,306 (9.03%) | |David Chernushenko1,741 (3.65%) | |John Pacheco (FCP)562 (1.18%) || |Dalton McGuinty |- |bgcolor=whitesmoke|Ottawa—Vanier || |Madeleine Meilleur 22,188 (53.53%) | |Maurice Lamirande 10,878 (26.24%) | |Joseph Zebrowski 6,507 (15.7%) | |Raphael Thierrin1,876 (4.53%)

|Claudette Boyer † |- |bgcolor=whitesmoke|Ottawa West—Nepean || |Jim Watson 23,127 (47.04%) | |Garry Guzzo 20,277 (41.24%) | |Marlene Rivier 4,099 (8.34%) | |Neil Adair1,309 (2.66%) | |Robert Gauthier (Ind)353 (0.72%) || |Garry Guzzo

Eastern Ontario

|bgcolor=whitesmoke|Glengarry—Prescott—Russell || |Jean-Marc Lalonde 28,956 | |Albert Bourdeau 10,921 | |Guy Belle-Isle 2,544 | |Louise Pattington1,471

|Jean-Marc Lalonde |- |bgcolor=whitesmoke|Hastings—Frontenac—Lennox and Addington || |Leona Dombrowsky 21,548 | |Barry Gordon 13,709 | |Ross Sutherland 4,286 | |Adam Scott1,311 | |John-Henry Westen (FCP)673 || |Leona Dombrowsky |- |bgcolor=whitesmoke|Kingston and the Islands || |John Gerretsen 28,877 | |Hans Westenberg 9,640 | |Janet Collins 5,514 | |Eric Walton3,137 | |Chris Beneteau (FCP)735 || |John Gerretsen |- |bgcolor=whitesmoke|Lanark—Carleton | |Marianne Wilkinson 23,466 (38.79%) || |Norm Sterling 29,641 (48.99%) | |Jim Ronson 3,554 (5.87%) | |John Baranyi 2,564 (4.24%) | |Jim Gardiner (FCP) 1,275 (2.11%) || |Norm Sterling |- |bgcolor=whitesmoke|Leeds—Grenville | |Stephen Mazurek 17,667 || |Bob Runciman 21,443 | |Steve Armstrong 2,469 | |Jerry Heath 1,799 | |Melody Trolly (FCP)649 || |Bob Runciman |- |bgcolor=whitesmoke|Prince Edward—Hastings || |Ernie Parsons 22,937 | |John Williams 12,800 | |Jodie Jenkins 3,377 | |Joe Ross 628 | |Trueman Tuck(F)229 || |Ernie Parsons |- |bgcolor=whitesmoke|Renfrew—Nipissing—Pembroke | |Derek Nighbor 18,629 || |John Yakabuski 19,274 | |Felcite Stairs 5,092 | |Chris Walker 671

|Sean Conway † |- |bgcolor=whitesmoke|Stormont—Dundas—Charlottenburgh || |Jim Brownell 19,558 | |Todd Lalonde 13,948 | |Matt Sumegi 1,639 | |Tom Manley 2,098 | |Gary Besner (Ind)968 || |John Cleary †

Central Ontario

|bgcolor=whitesmoke|Barrie—Simcoe—Bradford | |Mike Ramsay 21,998 || |Joe Tascona 31,529 | |John Thomson 5,641 | |Stewart Sinclair 1,278 | |Roberto Sales (FCP) 441 || |Joe Tascona |- |bgcolor=whitesmoke|Bruce—Grey—Owen Sound | |Dave Hocking14,881 || |Bill Murdoch23,338 | |Colleen Purdon4,159 | |Martin Donald769 | |Linda Freiburger (FCP)1,086Bill Cook (Ref)586 || |Bill Murdoch |- |bgcolor=whitesmoke|Dufferin—Peel—Wellington—Grey | |Dan Yake14,859 || |Ernie Eves29,222 | |Mitchel Healey3,148 | |Frank de Jong3,161 | |Dave Davies (FCP)1,202 || |Ernie Eves |- |bgcolor=whitesmoke|Durham | |Garry Minnie18,590 || |John O'Toole23,814 | |Teresa Williams6,274 | |Gordon MacDonald1,183 | |Cathy McKeever (F)707 || |John O'Toole |- |bgcolor=whitesmoke|Haliburton—Victoria—Brock | |Jason Ward17,171 || |Laurie Scott24,297 | |Earl Manners7,884 | |Douglas Smith1,183 | |Paul Gordon (FCP)663Charles Olito (F)273 || |Chris Hodgson † |- |bgcolor=whitesmoke|Northumberland || |Lou Rinaldi20,382 | |Doug Galt17,816 | |Murray Weppler5,210 | |Derrick Kelly1,839

|Doug Galt |- |bgcolor=whitesmoke|Peterborough || |Jeff Leal24,626 | |Gary Stewart18,418 | |Dave Nickle9,796 | |Tim Holland1,605 | |Max Murray (FCP)414Bob Bowers (Ind) 178 || |Gary Stewart |- |bgcolor=whitesmoke|Simcoe—Grey | |Mark Redmond17,505 || |Jim Wilson26,114 | |Leo Losereit5,032 | |Geoffrey Maile875 | |Steven Taylor (FCP)801Philip Bender (Lbt)411 || |Jim Wilson |- |bgcolor=whitesmoke|Simcoe North | |Paul Sloan19,713 || |Garfield Dunlop23,393 | |John Niddery5,515 | |Nina Pruesse1,540 | |Blaine Scott (FCP)453Karnail Singh (Ind)101 || |Garfield Dunlop |- |bgcolor=whitesmoke|York North | |John Taylor21,054 || |Julia Munro24,517 | |Sylvia Gerl4,029 | |Bob Burrows1,854 | |Simone Williams (FCP)497 || |Julia Munro

Southern Durham & York

|bgcolor=whitesmoke|Markham || |Tony Wong27,253 | |David Tsubouchi21,257 | |Janice Hagan2,679 | |Bernadette Manning824 | |Patrick Redmond (FCP)697 || |David Tsubouchi |- |bgcolor=whitesmoke|Oak Ridges | |Helena Jaczek31,026 || |Frank Klees32,647 | |Pamela Courtot4,464 | |Steven Haylestrom1,821

|Frank Klees |- |bgcolor=whitesmoke|Oshawa | |Chris Topple9,383 || |Jerry Ouellette14,566 | |Sid Ryan13,547 | |Karen Tweedle636 | |Paul McKeever (F) 518Dale Chilvers (FCP) 383 || |Jerry Ouellette |- |bgcolor=whitesmoke|Pickering—Ajax—Uxbridge || |Wayne Arthurs24,970 | |Janet Ecker23,960 | |Vern Edwards3,690 | |Adam Duncan1,946

|Janet Ecker |- |bgcolor=whitesmoke|Thornhill || |Mario Racco21,419 | |Tina Molinari20,623 | |Laurie Orrett2,616 | |Bridget Haworth705 | |Lindsay King (F)304 || |Tina Molinari |- |bgcolor=whitesmoke|Vaughan—King—Aurora || |Greg Sorbara36,928 | |Carmine Iacono21,744 | |Mike Seaward4,697 | |Adrian Visentin2,412

|Greg Sorbara |- |bgcolor=whitesmoke|Whitby—Ajax | |Dennis Fox22,593 || |Jim Flaherty27,240 | |Dan Edwards5,155 | |Michael MacDonald1,375

|Jim Flaherty

Downtown Toronto

|bgcolor=whitesmoke|Beaches—East York | |Monica Purdy 10,070 | |Angela Kennedy 8,157 || |Michael Prue 21,239 | |Tom Mason 1,995

|Michael Prue |- |bgcolor=whitesmoke|Davenport || |Tony Ruprecht15,586 | |Tom Smith1,977 | |Jordan Berger7,243 | |Mark O'Brien907 | |David Senater (Ind)293Franz Cauchi (F)264 Nunzio Venuto (Lbt)233 || |Tony Ruprecht |- |bgcolor=whitesmoke|Don Valley West || |Kathleen Wynne23,488 | |David Turnbull17,394 | |Ali Naqvi2,540 | |Philip Hawkins1,239

|David Turnbull |- |bgcolor=whitesmoke|Eglinton—Lawrence || |Mike Colle23,743 | |Corinne Korzen 12,402 | |Robin Alter 4,351 | |Mark Viitala 1,236

|Mike Colle |- |bgcolor=whitesmoke|Parkdale—High Park || |Gerard Kennedy23,008 | |Stephen Snell 6,436 | |Margo Duncan 6,275 | |Neil Spiegel 2,758 | |Stan Grzywna (FCP) 591Karin Larsen (Comm) 349John Steele (Comm League) 204Richard (Dick) Field (F)165 || |Gerard Kennedy |- |bgcolor=whitesmoke|St. Paul's || |Michael Bryant 24,887 | |Charis Kelso 11,203 | |Julian Heller 6,740 | |Peter Elgie 2,266 | |Carol Leborg (F)354 || |Michael Bryant |- |bgcolor=whitesmoke|Toronto Centre—Rosedale || |George Smitherman 23,872 | |John Adams 9,968 | |Gene Lara 9,112 | |Gabriel Draven 1,739 | |Philip Fernandez (Ind Renewal) 324Silvio Ursomarzo (F)218 || |George Smitherman |- |bgcolor=whitesmoke|Toronto—Danforth | |Jim Davidson12,246 | |George Sardelis 6,562 || |Marilyn Churley18,253 | |Michael Pilling 1,368 | |Masood Atchekzai (FCP)217Mehmet Ali Yagiz (Ind) 73 || |Marilyn Churley |- |bgcolor=whitesmoke|Trinity—Spadina | |Nellie Pedro12,927 | |Helena Guergis 4,985 || |Rosario Marchese 19,268 | |Greg Laxton 2,362 | |Judson Glober (Lbt)756Nick Lin (Ind Renewal)256 || |Rosario Marchese |- |bgcolor=whitesmoke|York South—Weston || |Joseph Cordiano19,932 | |Stephen Halicki 4,930 | |Brian Donlevy 6,247 | |Enrique Palad 794 | |Mariangela Sanabria (FCP)475 || |Joseph Cordiano

Suburban Toronto

|bgcolor=whitesmoke|Don Valley East || |David Caplan21,327 | |Paul Sutherland12,027 | |Murphy Browne3,058 | |Dan Craig558 | |Ryan Kidd (FCP)460Wayne Simmons (F)119 || |David Caplan |- |bgcolor=whitesmoke|Etobicoke Centre || |Donna Cansfield22,070 | |Rose Andrachuk17,610 | |Margaret Anne McHugh3,400 | |Ralph M. Chapman1,584

|Chris Stockwell † |- |bgcolor=whitesmoke|Etobicoke—Lakeshore || |Laurel Broten19,680 | |Morley Kells14,524 | |Irene Jones8,952 | |Junyee Wang708 | |Ted Kupiec (FCP)480Janice Murray (Ind Renewal)225 || |Morley Kells |- |bgcolor=whitesmoke|Etobicoke North || |Shafiq Qaadri16,727 | |Baljit Gosal6,978 | |Kuldip Singh Sodhi3,516 | |Mir Kamal503 | |Frank Acri (Ind)1,990Teresa Ceolin (FCP)1,275 || |John Hastings † |- |bgcolor=whitesmoke|Scarborough—Agincourt || |Gerry Phillips23,026 | |Yolanda Chan11,337 | |Stacy Douglas2,209 | |Lawrence Arkilander566 | |Tony Ieraci(FCP)550 || |Gerry Phillips |- |bgcolor=whitesmoke|Scarborough Centre || |Brad Duguid21,698 | |Marilyn Mushinski11,686 | |Michael Laxer3,653 | |Robert Carty642 | |Costas Manios (Independent Liberal)3,259Joseph Internicola (FCP)495Elizabeth Rowley (Comm)241 || |Marilyn Mushinski |- |bgcolor=whitesmoke|Scarborough East || |Mary Anne Chambers21,798 | |Steve Gilchrist14,323 | |Gary Dale5,250 | |Hugh McNeil668 | |Sam Apelbaum (Lbt) 285 || |Steve Gilchrist |- |bgcolor=whitesmoke|Scarborough—Rouge River || |Alvin Curling23,976 | |Kevin Moore9,468 | |Jean-Paul Yovanoff2,246 | |Karen Macdonald1,326 | |Mitchell Persaud(FCP)536 || |Alvin Curling |- |bgcolor=whitesmoke|Scarborough Southwest || |Lorenzo Berardinetti17,501 | |Dan Newman11,826 | |Barbara Warner6,688 | |Andrew Strachan689 | |Ray Scott (FCP)586 || |Dan Newman |- |bgcolor=whitesmoke|Willowdale || |David Zimmer21,823 | |David Young19,957 | |Yvonne Bobb3,084 | |Sharolyn Vettesse933 | |Rina Morra (FCP)442Vaughan Byrnes (F)227 || |David Young |- |bgcolor=whitesmoke|York Centre || |Monte Kwinter18,808 | |Dan Cullen7,826 | |Matthew Norrish3,494 | |Constantine Kritsonis1,496

|Monte Kwinter |- |bgcolor=whitesmoke|York West || |Mario Sergio16,102 | |Ted Aver2,330 | |Garth Bobb3,954 | |Richard Von Fuchs437 | |Christopher Black (Comm)408 || |Mario Sergio

Brampton, Mississauga & Oakville

|bgcolor=whitesmoke| Bramalea—Gore—Malton—Springdale || |Kuldip Kular19,306 | |Raminder Gill15,549 | |Cesar Martello4,931 | |Ernst Braendli1,176 | |Frank Chilelli (Ind Renewal)868Howard Cukoff (Comm)503 || |Raminder Gill |- |bgcolor=whitesmoke|Brampton Centre || |Linda Jeffrey16,661 | |Joe Spina15,656 | |Kathy Pounder 4,827 | |Sanjeev Goel 820 | |Wally Dove (F)356 || |Joe Spina |- |bgcolor=whitesmoke|Brampton West—Mississauga || |Vic Dhillon 28,926 | |Tony Clement26,414 | |Chris Moise5,103 | |Paul Simas811 | |Paul Micelli (FCP)1,122John G. Purdy (F)266 || |Tony Clement |- |bgcolor=whitesmoke|Mississauga Centre || |Harinder Takhar 18,466 | |Rob Sampson15,846 | |Michael Miller3,237 | |Jeffrey Scott Smith776 | |John R. Lyall (FCP)588 || |Rob Sampson |- |bgcolor=whitesmoke|Mississauga East || |Peter Fonseca 16,686 | |Carl DeFaria13,382 | |Michael Hancock2,479 | |Donald Barber666 | |Gary Nail (FCP)358Pierre Chenier (Ind Renewal)256 || |Carl DeFaria |- |bgcolor=whitesmoke|Mississauga South || |Tim Peterson17,211 | |Margaret Marland16,977 | |Ken Cole3,606 | |Pamela Murray949 | |Alfred Zawadzki (FCP)555 || |Margaret Marland |- |bgcolor=whitesmoke|Mississauga West || |Bob Delaney27,903 | |Nina Tangri20,406 | |Arif Raza4,196 | |Richard Pereira1,395 | |Charles Montano (FCP)989 || |John Snobelen † |- |bgcolor=whitesmoke|Oakville || |Kevin Flynn22,428 | |Kurt Franklin18,991 | |Anwar Naqvi2,858

|Theresa Tritt (FCP)751 || |Gary Carr †

Hamilton, Burlington & Niagara

|bgcolor=whitesmoke|Ancaster—Dundas—Flamborough—Aldershot || |Ted McMeekin23,045 | |Mark Mullins18,141 | |Kelly Hayes 5,666 | |Brian Elder Sullivan 903 | |Michael Trolly (FCP)434Richard Butson (CoR)293 || |Ted McMeekin |- |bgcolor=whitesmoke|Burlington | |Mark Fuller19,654 || |Cam Jackson21,506 | |David Laird3,832 | |Julie Gordon1,086 | |Vic Corvaro (FCP)523 || |Cam Jackson |- |bgcolor=whitesmoke|Erie—Lincoln | |Vance Badawey16,290 || |Tim Hudak20,348 | |Julius Antal3,950 | |Tom Ferguson713 | |Steve Elgersma (FCP)666 || |Tim Hudak |-