A by-election for Kaindi constituency was held in the Territory of Papua and New Guinea between 16 July and 15 August 1966.
[1] In the 1964 general election, the Kaindi seat had been contested by nine candidates.
Bill Bloomfield, having run a tactical campaign to earn voters' second preferences, was elected on the eighth count.
[3] Five candidates registered to contest the election:[1][4] Pacific Islands Monthly reported that the election was expected to be a contest between Omas-Genora and Voutas.
[1] 90 polling stations were set up for the by-election, overseen by eight teams of electoral officials.