The 1884 Kaiapoi by-election was a by-election held on 16 May 1884 during the 8th New Zealand Parliament in the Canterbury electorate of Kaiapoi.
The by-election was caused by the resignation of the incumbent MP Isaac Wilson on 7 April 1884.[1]
The by-election was won by Edward Richardson, who was unopposed (although earlier J. Lowthian Wilson had considered to stand).[2][3][4]