List of Great Britain by-elections (1790–1800) By-elections 17th Parliament (1790–1796)

| Date_ | Constituency | c_u | Former_Incumbent | Winner | Cause_ |
|---|---|---|---|---|---|
| 14 September 1794 | Bedfordshire | u* | The Earl of Upper Ossory | John Osborn | Became a British Peer |
| 15 September 1794 | Clitheroe | u | Assheton Curzon | Richard Erle-Drax-Grosvenor | Elevated to the peerage |
| 16 September 1794 | Berkshire | u* | Winchcombe Henry Hartley | Charles Dundas | Death |
| 18 September 1794 | Lincolnshire | u* | Charles Anderson Pelham | Robert Vyner | Elevated to the peerage |
| 19 September 1794 | Scarborough | u* | The Lord Mulgrave | Edmund Phipps | Became a British Peer |
| 20 September 1794 | Cirencester | u* | Lord Apsley | Michael Hicks Beach | Succeeded to a peerage |
| 3 October 1794 | Weymouth and Melcombe Regis | u* | Sir James Johnstone | Gabriel Tucker Steward | Death |
| 10 October 1794 | Ludlow | u* | The Lord Clive | Robert Clive | Became a British Peer |