The Ashton-under-Lyne by-election, 1920 was a by-election held on 31 January 1920 for the British House of Commons constituency of Ashton-under-Lyne.
The by-election was triggered by the elevation to the peerage of the town's Conservative Party Member of Parliament (MP) Albert Stanley, who was ennobled as Baron Ashfield.
The result was a victory for the Conservative candidate Sir Walter de Frece, who held the seat with a massively reduced majority.
| Ashton-under-Lyne by-election, 1920 | |||||
|---|---|---|---|---|---|
| Party | Candidate | Votes | % | ±% | |
| Coalition Conservative | Sir Walter de Frece | 8,864 | 43.3 | −15.0 | |
| Labour | William Cornforth Robinson | 8,127 | 39.6 | N/A | |
| Liberal | Sir A.H. Marshal | 3,511 | 17.1 | N/A | |
| Majority | 738 | 3.7 | −12.9 | ||
| Turnout | 20,502 | 82.3 | +13.9 | ||
| Conservative hold | Swing | ||||
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