| Election Name: | 1907 Stepney by-election |
| Type: | presidential |
| Country: | United Kingdom |
| Previous Election: | Stepney (UK Parliament constituency)#Elections in the 1900s |
| Previous Year: | 1906 |
| Next Election: | Stepney (UK Parliament constituency)#Elections in the 1910s |
| Next Year: | Jan. 1910 |
| Election Date: | 10 May 1907 |
| Candidate1: | Harris |
| Party1: | Conservative Party (UK) |
| Popular Vote1: | 2,299 |
| Percentage1: | 63.0% |
| Candidate2: | Cooper |
| Party2: | Liberal-Labour (UK) |
| Popular Vote2: | 1,350 |
| Percentage2: | 37.0% |
| Map Size: | 250px |
| MP | |
| Posttitle: | Subsequent MP |
| Before Election: | William Evans-Gordon |
| Before Party: | Conservative Party (UK) |
| After Election: | Leverton Harris |
| After Party: | Conservative Party (UK) |
The 1907 Stepney by-election was held on 10 May 1907. The by-election was held due to the resignation of the incumbent Conservative MP, William Evans-Gordon. It was won by the Conservative candidate Frederick Leverton Harris.