| Election Name: | 2024 Bay of Quinte provincial by-election |
| Country: | Ontario |
| Seats For Election: | Riding of Bay of Quinte |
| Type: | Parliamentary |
| Ongoing: | no |
| Party Colour: | no |
| Party Name: | no |
| Previous Election: | 2022 Ontario general election |
| Previous Year: | 2022 |
| Next Election: | 44th Ontario general election |
| Next Year: | 44th |
| Turnout: | 38.45% (7.46) |
| Image1: | PC |
| Candidate1: | Tyler Allsopp |
| Last Election1: | 49.30% |
| Popular Vote1: | 14,430 |
| Percentage1: | 38.69% |
| Swing1: | 10.61 pp |
| Candidate2: | Sean Kelly |
| Last Election2: | 18.45% |
| Popular Vote2: | 12,428 |
| Percentage2: | 33.32% |
| Swing2: | 14.87 pp |
| Image3: | NDP |
| Candidate3: | Amanda Robertson |
| Last Election3: | 20.92% |
| Popular Vote3: | 8,607 |
| Percentage3: | 23.08% |
| Swing3: | 2.16 pp |
| Image5: | GRN |
| Candidate5: | Lori Borthwick |
| Last Election5: | 6.27% |
| Popular Vote5: | 1,186 |
| Percentage5: | 3.18% |
| Swing5: | 3.09 pp--> |
| Posttitle: | Elected |
| Before Election: | Todd Smith |
| Before Party: | PC |
| After Election: | Tyler Allsopp |
| After Party: | PC |
A by-election was held in the provincial riding of Bay of Quinte on September 19, 2024, to elect a new member of the Legislative Assembly of Ontario following the resignation of Progressive Conservative MPP and cabinet minister Todd Smith for a new job in the private sector.[1] It resulted in the victory of PC candidate Tyler Allsopp, though by a reduced margin compared to his predecessor.
| Polling Firm | Last Date of Polling | Link | PC | OLP | ONDP | Green | Other | Margin of Error | Sample Size | class=unsortable | Polling Method |
|---|---|---|---|---|---|---|---|---|---|---|---|
| By-election 2024 | September 19, 2024 | 38.69 | 33.32 | 23.08 | 3.17 | 1.74 | |||||
| Liaison Strategies | September 9, 2024 | [2] | 35 | 36 | 18 | 5 | 6 | ±4.21 pp | 541 | IVR | |
| Election 2022 | June 2, 2022 | 49.30 | 18.45 | 20.92 | 6.27 | 5.06 |