Three provincial by-elections were held in Nova Scotia to fill vacancies in the House of Assembly.
Glace Bay
The district of Glace Bay was vacated by Liberal Party MNA Dave Wilson; Geoff MacLellan won the election to replace him on June 22, 2010.
Yarmouth
The district of Yarmouth was vacated by Liberal Party MNA Richard Hurlburt; Zach Churchill won the election to replace him on June 22, 2010.
Cumberland South
The district of Cumberland South was vacated by Progressive Conservative MNA Murray Scott; Jamie Baillie won the election to replace him on October 26, 2010.