| Election Name: | 1904 North East Lanarkshire |
| Type: | presidential |
| Country: | United Kingdom |
| Previous Election: | 1901 North East Lanarkshire by-election |
| Previous Year: | 1901 |
| Next Election: | North East Lanarkshire (UK Parliament constituency)#Elections in the 1900s |
| Next Year: | 1906 |
| Election Date: | 10 August 1904 |
| Candidate1: | Findlay |
| Party1: | Liberal Party (UK) |
| Popular Vote1: | 5,619 |
| Percentage1: | 39.3% |
| Candidate2: | Touche |
| Party2: | Conservative Party (UK) |
| Popular Vote2: | 4,677 |
| Percentage2: | 32.8% |
| Candidate3: | Robertson |
| Party3: | Scottish Workers' Representation Committee |
| Popular Vote3: | 3,984 |
| Percentage3: | 27.9% |
| Map Size: | 250px |
| MP | |
| Posttitle: | Subsequent MP |
| Before Election: | William Henry Rattigan |
| Before Party: | Liberal Unionist |
| After Election: | Alexander Findlay |
| After Party: | Liberal Party (UK) |
The North East Lanarkshire by-election was a Parliamentary by-election held on 10 August 1904.[1] The constituency returned one Member of Parliament (MP) to the House of Commons of the United Kingdom, elected by the first past the post voting system.
Sir William Henry Rattigan had been Liberal Unionist MP for the seat of North East Lanarkshire since the 1901 North East Lanarkshire by-election. He died on 4 July 1904 at the age of 62.[2]
The seat had been Liberal Unionist since they gained it in 1901;
Polling Day was fixed for 10 August 1904.
The Liberals gained the seat from the Conservatives;
At the following General Election the result was;