| Election Name: | 1905 Chichester by-election |
| Type: | presidential |
| Country: | United Kingdom |
| Previous Election: | Chichester (UK Parliament constituency)#Elections in the 1900s |
| Previous Year: | 1900 |
| Next Election: | Chichester (UK Parliament constituency)#Elections in the 1900s |
| Next Year: | 1906 |
| Election Date: | 2 June 1905 |
| Candidate1: | Talbot |
| Party1: | Conservative Party (UK) |
| Popular Vote1: | 4,174 |
| Percentage1: | 52.6% |
| Candidate2: | Allen |
| Party2: | Liberal Party (UK) |
| Popular Vote2: | 3,762 |
| Percentage2: | 47.4% |
| MP | |
| Posttitle: | Subsequent MP |
| Before Election: | Lord Edmund Talbot |
| Before Party: | Conservative Party (UK) |
| After Election: | Lord Edmund Talbot |
| After Party: | Conservative Party (UK) |
The 1905 Chichester by-election was a Parliamentary by-election. It returned one Member of Parliament (MP) to the House of Commons of the United Kingdom, elected by the first past the post voting system. It was held on 2 June 1905 after the incumbent Conservative MP Lord Edmund Talbot was appointed as Lord Commissioner of the Treasury and he was obliged to stand again in a ministerial by-election. It was retained by Talbot.
Lord Edmund Talbot had been Conservative MP for the seat of Chichester since the 1894 Chichester by-election. He was appointed as Lord Commissioner of the Treasury and he was obliged to stand again in a ministerial by-election.
The seat had been Conservative since creation in 1868. Lord Edmund Talbot held the seat at the last election, unopposed:Talbot had always been returned unopposed. The last contest in the constituency came in 1892, when the Conservative out-polled the Liberal by nearly two to one.
The local Conservative Association re-selected 50 year-old Lord Edmund Talbot as their candidate to defend the seat. The local Liberal Association selected 33 year-old John Ernest Allen as their candidate to challenge for the seat. Allen was a Barrister-at-law, who had been educated at both Oxford and Cambridge Universities where he gained a Master of Arts.[1]
Polling Day was fixed for the 2 June 1905, the day after the 1905 Whitby by-election. On the eve of poll, the Liberals gained Whitby from the Conservatives.
The Conservatives held the seat with their lowest majority since 1885:
At the following General Election, Talbot again held the seat, the result was: