A by-election was held in the Cook Islands electorate of Penrhyn on 12 March 2024.
[1] The by-election was triggered by the conviction of MP Robert Tapaitau for fraud in January 2024.
[3] The Cook Islands United Party announced that it would not stand a candidate.
[1] The Cook Islands Party announced that it had selected Vaine Iriano Wichman.
[4] Other candidates were Meremere Arake Tonitara for the Democratic Party, and Sarakura Tapaitau and Tangata Andrew Vaeau as independents.