| Election Name: | 1911 Batman by-election |
| Before Party: | Labour |
| Party1: | Labour |
| Country: | Australia |
| Popular Vote1: | 9,385 |
| Swing1: | 6.1 |
| Candidate2: | Frederick O'Neill |
| Party2: | Commonwealth Liberal Party |
| Popular Vote2: | 6,932 |
| Swing2: | 6.1 |
| MP | |
| Before Election: | Henry Beard |
| After Election: | Frank Brennan |
| Ongoing: | no |
| After Party: | Labour |
| Percentage2: | 42.5% |
| Percentage1: | 57.5% |
| Candidate1: | Frank Brennan |
| Registered: | 31,729 |
| Seats For Election: | The Batman seat in the House of Representatives |
| Type: | Parliamentary |
| Previous Election: | 1910 Australian federal election |
| Previous Year: | 1910 |
| Election Date: | 8 February 1911 |
| Next Election: | 1913 Australian federal election |
| Next Year: | 1913 |
| Turnout: | 16,666 (52.5%) |
| Colour1: | DE3533 |
A by-election was held for the Australian House of Representatives seat of Batman on 8 February 1911. This was triggered by the death of Labour MP Henry Beard.
The by-election was won by Labour candidate Frank Brennan.