List of Saskatchewan by-elections

The list of Saskatchewan by-elections includes every by-election held in the Canadian province of Saskatchewan. By-elections occur whenever there is a vacancy in the Legislative Assembly, although an imminent general election may allow the vacancy to remain until the dissolution of parliament.

Causes
A by-election occurs whenever there is a vacancy in the Saskatchewan legislature. Vacancies can occur for the following reasons:


 * Death of a member.
 * Resignation of a member.
 * Voided results
 * Expulsion from the legislature.
 * Ineligibility to sit.
 * Appointment to the cabinet. Incumbent members were required to recontest their seats upon being appointed to Cabinet. These Ministerial by-elections were almost always uncontested. This requirement was amended in 1930 to exempt members if they were appointed within six months of a general election. This requirement was abolished completely in 1936.

28th Legislative Assembly of Saskatchewan (2016–2020)
* Boyd was expelled from Saskatchewan Party caucus due to conflict-of-interest allegations four days before resignation from legislature took effect.

26th Legislative Assembly of Saskatchewan (2007–2011)
* LeClerc was a former member of the Saskatchewan Party

23rd Legislative Assembly of Saskatchewan (1995–1999)
* Goohsen was a former Progressive Conservative.

9th Legislative Assembly of Saskatchewan (1938–1944)
† Won by acclamation

8th Legislative Assembly of Saskatchewan (1934–1938)
† Won by acclamation

7th Legislative Assembly of Saskatchewan (1929–1934)
† Won by acclamation

* McIntosh was a Liberal who became a coalition government supporter in 1932 and was defeated when he sought reelection upon entering the cabinet

6th Legislative Assembly of Saskatchewan (1925–1929)
† Won by acclamation

5th Legislative Assembly of Saskatchewan (1921–1925)
† Won by acclamation

4th Legislative Assembly of Saskatchewan (1917–1921)
† Won by acclamation

3rd Legislative Assembly of Saskatchewan (1912–1917)
† Won by acclamation

2nd Legislative Assembly of Saskatchewan (1908–1912)
† Won by acclamation