| Election Name: | 1906 East Tyrone by-election |
| Type: | parliamentary |
| Seats For Election: | East Tyrone (constituency) |
| Election Date: | 25 July 1906 |
| Candidate1: | Thomas Michael Kettle |
| Party1: | Irish Parliamentary Party |
| Popular Vote1: | 3,018 |
| Percentage1: | 50.2% |
| Candidate2: | William John MacGeagh MacCaw |
| Party2: | Irish Unionist Alliance |
| Popular Vote2: | 3,000 |
| Percentage2: | 49.8% |
The 1906 East Tyrone by-election was held on 25 July 1906. The by-election was held due to the death of the incumbent Irish Parliamentary MP, Patrick Doogan. It was won by 18 votes by the Irish Parliamentary candidate Tom Kettle.[1]