| Election Name: | 1809 Stamford by-election |
| Type: | parliamentary |
| Seats For Election: | Stamford constituency |
| Ongoing: | no |
| Previous Election: | 1808 Stamford by-election |
| Previous Year: | 1808 |
| Next Election: | 1812 United Kingdom general election |
| Next Year: | 1812 |
| Turnout: | 448 |
| Candidate1: | Charles Chaplin |
| Party1: | Tories (British political party) |
| Popular Vote1: | 306 |
| Percentage1: | 68.3% |
| Candidate2: | Jephson Oddy |
| Party2: | Whig (British political party) |
| Popular Vote2: | 142 |
| Percentage2: | 31.7% |
| MP | |
| Before Election: | Albemarle Bertie |
| Before Party: | Tories (British political party) |
| After Election: | Charles Chaplin |
| After Party: | Tories (British political party) |
| Country: | United Kingdom |
The 1890 Stamford by-election was held on 7 March 1890, when the incumbent Tory MP Albemarle Bertie became ineligible after acceding to the Earldom of Lindsey.[1] The by-election was won by the Tory candidate Charles Chaplin.[2]