| Election Name: | 1911 Boothby by-election |
| After Party: | Commonwealth Liberal Party |
| Turnout: | 18,702 (52.8%) |
| Next Year: | 1913 |
| Next Election: | 1913 Australian federal election |
| Election Date: | 11 November 1911 |
| Previous Year: | 1910 |
| Previous Election: | 1910 Australian federal election |
| Type: | Parliamentary |
| Seats For Election: | The Boothby seat in the House of Representatives |
| Registered: | 35,460 |
| Candidate1: | David Gordon |
| Percentage1: | 57.1% |
| Percentage2: | 42.9% |
| Ongoing: | no |
| Before Party: | Labour |
| After Election: | David Gordon |
| Before Election: | Lee Batchelor |
| MP | |
| Swing2: | 20.9 |
| Popular Vote2: | 8,008 |
| Party2: | Labour |
| Candidate2: | James Jelley |
| Swing1: | 57.1 |
| Popular Vote1: | 10,656 |
| Country: | Australia |
| Party1: | Commonwealth Liberal Party |
| Colour2: | DE3533 |
A by-election was held for the Australian House of Representatives seat of Boothby on 11 November 1911. This was triggered by the death of Labour MP Lee Batchelor.
The by-election was won by Liberal candidate David Gordon.