Dalton7,403 | |Laura Wythe805 | |Bill Frampton (F)460 || |Bob Wood |- |bgcolor=whitesmoke|Sarnia—Lambton || |Caroline Di Cocco18,179 | |Henk Vanden Ende11,852 | |Glenn Sonier6,482 | |Bradley Gray1,414 | |Andrew Falby (F)316 || |Caroline Di Cocco |- |bgcolor=whitesmoke|Windsor—St. Clair || |Dwight Duncan19,692 | |Matt Bufton4,162 | |Madeline Crnec10,433 | |Chris Holt1,315 | |Saroj Bains (Ind Renewal)253 || |Dwight Duncan |- |bgcolor=whitesmoke|Windsor West || |Sandra Pupatello21,993 | |Derek Insley4,187 | |Yvette Blackburn7,383 | |Cary M. Lucier1,233 | |Enver Villamizar (Ind Renewal)386 || |Sandra Pupatello |} Northern Ontario |- |bgcolor=whitesmoke|Algoma—Manitoulin || |Mike Brown14,520 | |Terry McCutcheon5,168 | |Peter Denley9,459 | |Ron Yurick680 | | || |Mike Brown |- |bgcolor=whitesmoke|Kenora—Rainy River | |Geoff McClain6,746 | |Cathe Hoszowski 3,343 || |Howard Hampton15,666 | |Dan King305 | | || |Howard Hampton |- |bgcolor=whitesmoke|Nickel Belt | |Alex McCauley13,759 | |Dave Kilgour4,804 || |Shelley Martel16,567 | |Robert Nevin479 | | || |Shelley Martel |- |bgcolor=whitesmoke|Nipissing || |Monique Smith18,003 | |Al McDonald14,978 | |Terry O'Connor2,613 | |Jaimie Board528 | | || |Al McDonald |- |bgcolor=whitesmoke|Parry Sound—Muskoka | |Dan Waters13,332 || |Norm Miller18,776 | |Jo-Anne Boulding3,838 | |Glen Hodgson2,277 | |Charlene Phinney (FCP)484 || |Norm Miller |- |bgcolor=whitesmoke|Sault Ste. Marie || |David Orazietti20,050 | |Bruce Willson2,674 | |Tony Martin11,379 | |Dan Brosemer441 | |Al Walker (FCP)606 || |Tony Martin |- |bgcolor=whitesmoke|Sudbury || |Rick Bartolucci24,631 | |Mila Wong5,068 | |Harvey Wyers4,999 | |Luke Norton1,009 | | || |Rick Bartolucci |- |bgcolor=whitesmoke|Thunder Bay—Atikokan || |Bill Mauro17,735 | |Brian McKinnon5,365 | |John Rafferty6,582 | |Kristin Boyer762 | | || |Lyn McLeod † |- |bgcolor=whitesmoke|Thunder Bay—Superior North || |Michael Gravelle21,938 | |Brent Sylvester2,912 | |Bonnie Satten4,548 | |Carl Rose882 | | || |Michael Gravelle |- |bgcolor=whitesmoke|Timiskaming—Cochrane || |David Ramsay18,499 | |Rick Brassard6,330 | |Ben Lefebvre5,741 | |Paul Palmer489 | | || |David Ramsay |- |bgcolor=whitesmoke|Timmins—James Bay | |Michael Doody12,373 | |Merv Russell2,527 || |Gilles Bisson14,941 | |Marsha Kriss219 | | || |Gilles Bisson |} By-elections Ten by-elections were held between the 2003 and 2007 elections. |- | style="background:whitesmoke;"|Hamilton EastMay 13, 2004 | |Ralph Agostino6,362 | |Tara Crugnale1,772 || |Andrea Horwath15,185 | |Raymond Dartsch449 | |John Turmel (Ind)122 || |Dominic Agostinodied March 24, 2004 |- | style="background:whitesmoke;"|Dufferin—Peel—Wellington—GreyMarch 17, 2005 | |Bob Duncanson4,621 || |John Tory15,633 | |Lynda McDougall3,891 | |Frank de Jong2,767 | |Paul Micelli (FCP)488Bill Cook (Ind)164Philip Bender (Lbt)135)John Turmel (Ind)88 || |Ernie Evesresigned February 1, 2005 |- | style="background:whitesmoke;"|Scarborough—Rouge RiverNovember 24, 2005 || |Bas Balkissoon9,347 | |Cynthia Lai4,032 | |Sheila White2,425 | |Steven