By-elections to the 22nd Canadian Parliament were held to fill vacancies in the House of Commons of Canada between the 1953 federal election and the 1957 federal election. The Liberal Party of Canada led a majority government for the 22nd Canadian Parliament.

Seventeen vacant seats were filled through by-elections. By-election Date Incumbent Party Winner Party Cause RetainedSaint-Jean—Iberville—NapiervilleDecember 19, 1955Alcide Côté    LiberalJ.-Armand Ménard    LiberalDeathYesSpadinaOctober 24, 1955David A. Croll    LiberalCharles E. Rea    Progressive ConservativeCalled to the SenateNoRestigouche—MadawaskaSeptember 26, 1955Joseph Gaspard Boucher    LiberalJoseph Charles Van Horne    Progressive ConservativeDeathNoBellechasseSeptember 26, 1955L.-Philippe Picard    LiberalOvide Laflamme    LiberalResignationYesQuebec SouthSeptember 26, 1955Charles G. Power    LiberalFrank G. Power    LiberalCalled to the SenateYesTémiscouataSeptember 26, 1955Jean-François Pouliot    LiberalJean-Paul St-Laurent    LiberalCalled to the SenateYesBattle River—CamroseJune 20, 1955Robert Fair    Social CreditJames A. Smith    Social CreditDeathYesSelkirkNovember 8, 1954Robert James Wood    LiberalScottie Bryce    C. C. F.DeathNoStormontNovember 8, 1954Lionel Chevrier    LiberalAlbert Peter Lavigne    LiberalAppointed President of the St. Lawrence Seaway AuthorityYesTrinityNovember 8, 1954Lionel Conacher    LiberalDonald D. Carrick    LiberalDeathYesYork WestNovember 8, 1954Agar Rodney Adamson    Progressive ConservativeJohn B. Hamilton    Progressive ConservativeDeathYesSaint-Antoine—WestmountNovember 8, 1954Douglas Charles Abbott    LiberalGeorge C. Marler    LiberalAppointed a Justice of the Supreme Court of CanadaYesSt. Lawrence—St. GeorgeNovember 8, 1954Brooke Claxton    LiberalClaude Richardson    LiberalResignationYesElginMarch 22, 1954Charles Delmer Coyle    Progressive ConservativeJames A. McBain    Progressive ConservativeDeathYesPeelMarch 22, 1954Gordon Graydon    Progressive ConservativeJohn Pallett    Progressive ConservativeDeathYesGatineauMarch 22, 1954Joseph-Célestin Nadon    LiberalRodolphe Leduc    LiberalDeathYesVerdunMarch 22, 1954Paul-Émile Côté    LiberalYves Leduc    LiberalAppointed a Superior Court Judge of QuebecYes

See also List of federal by-elections in Canada

Sources Parliament of Canada–Elected in By-Elections