| Election Name: | 2023 Preston provincial by-election |
| Country: | Nova Scotia |
| Seats For Election: | Riding of Preston |
| Type: | Parliamentary |
| Ongoing: | no |
| Party Colour: | no |
| Party Name: | no |
| Previous Election: | 2021 Nova Scotia general election |
| Previous Year: | 2021 |
| Next Election: | 65th Nova Scotia general election |
| Next Year: | 65th |
| Turnout: | 38.79% |
| Image1: | PC |
| Candidate1: | Twila Grosse |
| Popular Vote1: | 1,950 |
| Percentage1: | 45.2% |
| Swing1: | 16.5 pp |
| Candidate2: | Colter Simmonds |
| Popular Vote2: | 1,145 |
| Percentage2: | 26.6% |
| Swing2: | 1.4 pp |
| Image3: | LIB |
| Candidate3: | Carlo Simmons |
| Popular Vote3: | 1,021 |
| Percentage3: | 23.7% |
| Swing3: | 19.7 pp |
| Posttitle: | Elected |
| Before Election: | Angela Simmonds |
| After Election: | Twila Grosse |
A by-election was held in the provincial riding of Preston in Nova Scotia on August 8, 2023, to elect a new member of the House of Assembly following the resignation of Liberal MLA Angela Simmonds.[1] [2]
Twila Grosse won the seat for the Progressive Conservatives.