January to April

• February 1 - Lethbridge municipal by-election, 2011
  Lethbridge municipal by-election, 2011
  The 2011 Lethbridge municipal by-election was held Tuesday, February 1, 2011 to elect one aldermen at-large. On October 18, 2010, Bob Babki was elected to the eight alderman council, in the regular scheduled municipal election. He died on October 30, from a suspected heart failure, two days before...
  
  
• February 15 - Provincial by-election in Humber West, Newfoundland and Labrador
• February 26 - British Columbia Liberal Party leadership election, 2011
  British Columbia Liberal Party leadership election, 2011
  The British Columbia Liberal Party leadership election of 2011 was prompted by Gordon Campbell's announcement on November 3, 2010 that he would be resigning as Premier of British Columbia and had asked the BC Liberal Party to hold a leadership convention "at the earliest possible date." The...
  
  
• April 2 - Progressive Conservative Party of Newfoundland and Labrador leadership election, 2011
  Progressive Conservative Party of Newfoundland and Labrador leadership election, 2011
  The 2011 Progressive Conservative Party of Newfoundland and Labrador leadership election was prompted by Danny Williams' announcement that he was resigning as premier and party leader on December 3, 2010. Premier Kathy Dunderdale, who was sworn in after Williams' resignation, was the only eligible...
  
  
• April 16 - New Brunswick New Democratic Party leadership election, 2011
  New Brunswick New Democratic Party leadership election, 2011
  The New Brunswick New Democratic Party, a social democratic political party in the Canadian province of New Brunswick, scheduled a leadership election for April 16, 2011, following the resignation of previous leader Roger Duguay on October 25, 2010....
  
  
• April 17 - British Columbia New Democratic Party leadership election, 2011
  British Columbia New Democratic Party leadership election, 2011
  The British Columbia New Democratic Party leadership convention of 2011 was prompted by Carole James's announcement on December 6, 2010 that she would be resigning as leader of the party...
  
  

May to August

• May 2 - 2011 federal election
• May 11 - Provincial by-election in Vancouver-Point Grey, British Columbia
• May 28
  • Alberta Party leadership election, 2011
  • British Columbia Conservative Party leadership election, 2011
  • Liberal Party of Newfoundland and Labrador leadership election, May 2011
  • Yukon Party leadership election, 2011
• June 21 - Cape Breton North
  Cape Breton North
  Cape Breton North is a provincial electoral district in Cape Breton, Nova Scotia, Canada, that elects one member of the Nova Scotia House of Assembly....
  
   provincial by-election, Nova Scotia
• June 13—August 5 - British Columbia sales tax referendum, 2011
  British Columbia sales tax referendum, 2011
  A postal referendum on sales tax was held in British Columbia from June 13 to August 5, 2011, though Canada Post workers were locked out until June 27. Voters were asked whether the Harmonized Sales Tax should be retained or split back to the original Provincial Sales Tax and Goods & Services Tax...
  
  
• August 14 - Liberal Party of Newfoundland and Labrador leadership election, August 2011
  Liberal Party of Newfoundland and Labrador leadership election, August 2011
  The Liberal Party of Newfoundland and Labrador leadership election, August 2011 was prompted by Yvonne Jones' announcement that she would be stepping down as Liberal leader, once her successor was chosen, due to health reasons...
  
  

September to December

• September 10 - Alberta Liberal Party leadership election, 2011
  Alberta Liberal Party leadership election, 2011
  An election for the leadership of the Alberta Liberal Party was held on September 10, 2011, which was caused by David Swann's announcement on February 1, 2011, of is intention to resign as leader. The election is the party's second since the 2008 election...
  
  
• September 12 - Territorial by-election in Iqaluit West
  Iqaluit West
  Iqaluit West is a territorial electoral district for the Legislative Assembly of Nunavut, Canada.The riding consists of the community of Iqaluit....
  
  , Nunavut
• September 17 & October 1 - Progressive Conservative Association of Alberta leadership election, 2011
  Progressive Conservative Association of Alberta leadership election, 2011
  The Progressive Conservative Association of Alberta leadership election, 2011 was prompted by Ed Stelmach's announcement that he would not be seeking re-election in the 28th general election and therefore would be resigning as leader of the Progressive Conservatives...
  
  
• September 19 - Mississauga Ward 5 by-election, 2011
• October 3
  • Prince Edward Island general election, 2011
  • Northwest Territories general election, 2011
    Northwest Territories general election, 2011
    The 2011 Northwest Territories general election, the 22nd in its history, took place on October 3, 2011. Nineteen members were returned to the 17th Legislative Assembly from single member districts conducted under first-past-the-post voting system....
    
    
• October 4 - Manitoba general election, 2011
  Manitoba general election, 2011
  The 40th general election of Manitoba was held to elect Members of the Legislative Assembly of Manitoba. It took place on October 4, 2011, due to the new fixed-date election laws...
  
  
• October 6 - Ontario general election, 2011
  Ontario general election, 2011
  The 40th Ontario general election was held on October 6, 2011 to elect members of the 40th Legislative Assembly of Ontario. The Ontario Liberal Party will form a minority government, with the Progressive Conservative Party of Ontario serving as the Official Opposition and the Ontario New...
  
  
• October 11
  • Newfoundland and Labrador general election, 2011
    Newfoundland and Labrador general election, 2011
    The 48th Newfoundland and Labrador general election occurred on October 11, 2011, to elect members of the 47th General Assembly of Newfoundland and Labrador, the 19th election for the province of Newfoundland and Labrador, Canada...
    
    
  • Yukon general election, 2011
• November 2 - Saskatchewan municipal elections for even-numbered rural municipalities
• November 7 - Saskatchewan general election, 2011
  Saskatchewan general election, 2011
  The 27th Saskatchewan general election was held on November 7, 2011, to elect 58 members of the Legislative Assembly of Saskatchewan . The election was called on October 10 by the Lieutenant Governor of Saskatchewan, on the advice of Premier Brad Wall...
  
  
• November 19 - British Columbia municipal elections, 2011
  British Columbia municipal elections, 2011
  Municipal elections will be held in the Canadian province of British Columbia on November 19. Races will be held in all municipalities and regional district electoral areas.Selected mayoral races are as follows:-Abbotsford:-Burnaby:-Campbell River:...
  
  
• December 5 – Provincial by-election in Bonaventure
  Bonaventure (provincial electoral district)
  Bonaventure is a provincial electoral district in the Canadian province of Quebec that elects members to the National Assembly of Quebec. It was originally created in 1829.-Geography:...
  
  , Québéc
• December 11 - Bloc Québécois leadership election, 2011