The 1889 Waipa by-election was a by-election held on 21 November 1889 in the Waipa electorate during the 10th New Zealand Parliament.
The by-election was caused by the death of the incumbent MP William Jackson on 29 September.
He was replaced by John Bryce, a well-known politician.
Bryce was the only candidate nominated, so was declared elected unopposed.
This New Zealand election-related article is a stub.