Template:New Zealand by-elections during the 30th Parliament
The following table contains the by-elections that have occurred during the term of the 30th Parliament.
| Electorate and by-election | Date | Incumbent | Cause | Winner | |||
|---|---|---|---|---|---|---|---|
| Dunedin North | 1953 | 12 December | Robert Walls | Death | Ethel McMillan | ||
| Onehunga | 1953 | 19 December | Arthur Osborne | Death | Hugh Watt | ||
| Onslow | 1954 | 7 July | Harry Combs | Death | Henry May | ||
| Patea | 1954 | 31 July | William Sheat | Resignation | William Sheat | ||