| Election Name: | 1885 United Kingdom general election |
| Country: | United Kingdom of Great Britain and Ireland |
| Type: | parliamentary |
| Ongoing: | no |
| Previous Election: | 1880 United Kingdom general election |
| Previous Year: | 1880 |
| Previous Mps: | List of MPs elected in the United Kingdom general election, 1880 |
| Next Election: | 1886 United Kingdom general election |
| Next Year: | 1886 |
| Seats For Election: | All 670 seats in the House of Commons |
| Majority Seats: | 336 |
| Elected Mps: | List of MPs elected in the United Kingdom general election, 1885 |
| Leader1: | William Gladstone |
| Leader Since1: | April 1880 |
| Party1: | Liberal Party (UK) |
| Leaders Seat1: | Midlothian |
| Last Election1: | 352 seats, 52.5% |
| Seats1: | 319 |
| Seat Change1: | 33 |
| Popular Vote1: | 2,071,868 |
| Percentage1: | 47.7% |
| Swing1: | 7.0% |
| Leader2: | Marquess of Salisbury |
| Leader Since2: | April 1881 |
| Party2: | Conservative Party (UK) |
| Leaders Seat2: | House of Lords |
| Last Election2: | 237 seats, 35.4% |
| Seats2: | 247 |
| Seat Change2: | 10 |
| Popular Vote2: | 1,869,560 |
| Percentage2: | 43.0% |
| Swing2: | 0.5% |
| Leader3: | Charles Stewart Parnell |
| Leader Since3: | 17 October 1882 |
| Party3: | Irish Parliamentary Party |
| Leaders Seat3: | Cork City |
| Last Election3: | 63 seats, 9.4% |
| Seats3: | 86 |
| Seat Change3: | 23 |
| Popular Vote3: | 299,178 |
| Percentage3: | 6.9% |
| Swing3: | 4.1% |
| Prime Minister | |
| Posttitle: | Prime Minister after election |
| Before Election: | Marquess of Salisbury |
| Before Party: | Conservative Party (UK) |
| After Election: | William Gladstone |
| After Party: | Liberal Party (UK) |
| Turnout: | 81.2% |
| Map2 Image: | File:1885 UK GE Composition diagram.svg |
| Map2 Caption: | Diagram displaying the composition of the House of Commons following the general election |
The 1885 United Kingdom general election was held from 24 November to 18 December 1885. This was the first general election after an extension of the franchise and redistribution of seats. For the first time a majority of adult males could vote and most constituencies by law returned a single member to Parliament, fulfilling one of the ideals of Chartism to provide direct single-member, single-electorate accountability. It saw the Liberals, led by William Gladstone, win the most seats, but not an overall majority. As the Irish Nationalists held the balance of power between them and the Conservatives who sat with an increasing number of allied Unionist MPs (referring to the Union of Great Britain and Ireland), this exacerbated divisions within the Liberals over Irish Home Rule and led to a Liberal split and another general election the following year.
The 1885 election saw the first socialist party participate, with the Social Democratic Federation led by H. M. Hyndman standing three candidates.
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