| Election Name: | 2023 Scarborough—Guildwood provincial by-election |
| Country: | Ontario |
| Seats For Election: | Riding of Scarborough—Guildwood |
| 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: | 21.84% |
| Candidate2: | Gary Crawford |
| Last Election2: | 31.51% |
| Popular Vote2: | 4,562 |
| Percentage2: | 29.57% |
| Swing2: | 1.95% |
| Image3: | NDP |
| Candidate3: | Thadsha Navaneethan |
| Last Election3: | 16.66% |
| Popular Vote3: | 4,041 |
| Percentage3: | 26.19 |
| Swing3: | 9.53% |
| Image1: | Members' statements 2024-02-28 Andrea Hazell.png |
| Candidate1: | Andrea Hazell |
| Last Election1: | 46.31% |
| Popular Vote1: | 5,640 |
| Percentage1: | 36.55% |
| Swing1: | 9.75% |
| Posttitle: | Elected |
| Before Election: | Mitzie Hunter |
| After Election: | Andrea Hazell |
A by-election was held in the provincial riding of Scarborough—Guildwood in Ontario on July 27, 2023, to elect a new member of the Legislative Assembly of Ontario following the resignation of Liberal MPP Mitzie Hunter to run in the 2023 Toronto mayoral by-election.[1] She came in sixth place.[2] Andrea Hazell retained the seat for the Ontario Liberals.[3]
The election was held on the same day as another in Kanata—Carleton.[4]
Scarborough—Guildwood is a riding centred on the Guildwood neighbourhood.[5]
Councillor Gary Crawford was selected as the PC candidate.[6]