Robert Wigmore Cook Islands Selina Napa Democratic A by-election was held in the Cook Islands electorate of Titikaveka on 21 June 2012.

[1] The by-election was precipitated by the death of sitting MP Robert Wigmore on 13 April 2012.

[2] The election was contested by three candidates, two of whom were siblings.

[3] It was won by the Democratic party's Selina Napa.

[4] On 5 July, Teariki Matenga challenged the result, questioning the eligibility of 20 voters.