| Election Name: | 1923 Mitcham by-election |
| Type: | presidential |
| Country: | United Kingdom |
| Previous Election: | Mitcham (UK Parliament constituency)#Elections in the 1920s |
| Previous Year: | 1922 |
| Next Election: | Mitcham (UK Parliament constituency)#Elections in the 1920s |
| Next Year: | 1923 |
| Election Date: | 3 March 1923 |
| Candidate1: | Chuter Ede |
| Party1: | Labour Party (UK) |
| Popular Vote1: | 8,029 |
| Percentage1: | 38.0 |
| Candidate2: | Boscawen |
| Party2: | Unionist Party (UK) |
| Popular Vote2: | 7,196 |
| Percentage2: | 34.1 |
| Candidate3: | Brown |
| Party3: | Liberal Party (UK) |
| Popular Vote3: | 3,214 |
| Percentage3: | 15.2 |
| Map Size: | 250px |
| MP | |
| Posttitle: | Subsequent MP |
| Before Election: | Worsfold |
| Before Party: | Unionist Party (UK) |
| After Election: | Meller |
| After Party: | Unionist Party (UK) |
The 1923 Mitcham by-election was held on 3 March 1923. The by-election was held due to the resignation of the incumbent Conservative MP, Thomas Worsfold. It was won by the Labour candidate James Chuter Ede.