10th Canadian Parliament By-elections By-elections

| By_election | Date_ | Incumbent | Party_3 | Winner | Party_5 | Cause | Retained_ |
|---|---|---|---|---|---|---|---|
| Strathcona | April 5, 1906 | Peter Talbot | Liberal | Wilbert McIntyre | Liberal | Called to the Senate | Yes |
| Cape Breton North and Victoria | March 14, 1906 | Daniel Duncan McKenzie | Liberal | Alexander Charles Ross | Liberal | Appointed a judge | Yes |
| Victoria City | March 6, 1906 | George Riley | Liberal | William Templeman | Liberal | Resignation to provide a seat for Templeman | Yes |
| Maisonneuve | February 23, 1906 | Raymond Préfontaine | Liberal | Alphonse Verville | Labour | Death | No |
| Assiniboia West | February 6, 1906 | Thomas Walter Scott | Liberal | William Erskine Knowles | Liberal | Resignation to enter provincial politics in Saskatchewan | Yes |
| Saskatchewan | February 6, 1906 | John Henderson Lamont | Liberal | George Ewan McCraney | Liberal | Resignation to enter provincial politics in Saskatchewan | Yes |