Template:New Zealand by-elections during the 7th Parliament
The following table contains the by-elections that have occurred during the term of the 7th Parliament.
| By-election | Electorate | Date | Incumbent | Reason | Winner |
|---|---|---|---|---|---|
| 1880 | Rangitikei | 8 May | William Jarvis Willis | Resignation | William Fox |
| 1880 | Waitaki | 16 June | Thomas William Hislop | Resignation | George Jones |
| 1880 | Waikaia | 21 September | George Ireland | Death | Horace Bastings |
| 1881 | Suburbs of Nelson | 11 January | Andrew Richmond | Death | Arthur Collins |
| 1881 | Southern Maori | 1 March | Ihaia Tainui | Resignation | Hōri Kerei Taiaroa |
| 1881 | City of Nelson | 7 June | Acton Adams | Resignation | Henry Levestam |
| 1881 | Grey Valley | 16 June | Edward Masters | Resignation | Thomas S. Weston |