Template:New Zealand by-elections during the 38th Parliament
The following table contains the by-elections that have occurred during the term of the 38th Parliament.
| Electorate and by-election | Date | Incumbent | Cause | Winner | |||
|---|---|---|---|---|---|---|---|
| Nelson | 1976 | 28 February | Sir Stanley Whitehead | Death | Mel Courtney | ||
| Mangere | 1977 | 26 March | Colin Moyle | Resignation | David Lange | ||
| Pahiatua | 1977 | 30 April | Sir Keith Holyoake | Appointed as Governor-General | John Falloon | ||
| Rangitikei | 1978 | 18 February | Sir Roy Jack | Death | Bruce Beetham | ||