| Election Name: | 1909 Taunton by-election |
| Type: | presidential |
| Country: | United Kingdom |
| Previous Election: | Taunton (UK Parliament constituency)#Elections in the 1900s |
| Previous Year: | 1906 |
| Next Election: | Taunton (UK Parliament constituency)#Elections in the 1910s |
| Next Year: | Jan. 1910 |
| Election Date: | 23 February 1909 |
| Candidate1: | Peel |
| Party1: | Conservative Party (UK) |
| Popular Vote1: | 1,976 |
| Percentage1: | 64.6% |
| Candidate2: | Smith |
| Party2: | Labour Party (UK) |
| Popular Vote2: | 1,085 |
| Percentage2: | 35.4% |
| Map Size: | 250px |
| MP | |
| Posttitle: | Subsequent MP |
| Before Election: | Sir Edward Boyle |
| Before Party: | Conservative Party (UK) |
| After Election: | William Peel |
| After Party: | Conservative Party (UK) |
The 1909 Taunton by-election was held on 23 February 1909. The by-election was held due to the ill health of the incumbent Conservative MP, Edward Boyle. It was won by the Conservative candidate William Peel, previously the MP for Manchester South. Peel was the son of Arthur Peel, 1st Viscount Peel, a former Liberal MP and Speaker of the House of Commons, and the grandson of former Prime Minister Robert Peel.