List of Solomon Islands by-elections

This is a list of by-elections to the National Parliament of Solomon Islands since the First Parliament in 1976, with the names of the incumbent and victor and (when known) their respective parties. Where seats changed political party at the election, and where that change is known, the result is highlighted: yellow for a Democratic Party gain.

The source for most of this information is the parliamentary website.

Second Parliament (1980–1984)

 * None.

Notable by-elections
The 1989 by-election in the North-East Guadalcanal constituency, prompted by Waita Ben Tabusasi's election as Speaker, resulted in a woman, Hilda Kari, being elected to Parliament for the first time.