Vainetutai Rose Toki-Brown (born 7 December 1976) is a Cook Islands politician, and Cabinet Minister. In July 2016 she became the Cook Islands' first female Leader of the Opposition. Toki-Brown was born in Areora on Atiu. She was a businesswoman and ran the 24 hours Super Brown Mega Store with her husband. She is the mother of fellow MP Te-Hani Brown. In the Cabinet reshuffle following the appointment of Mark Brown as Prime Minister she retained all of her Cabinet portfolios. A second reshuffle in June 2021 saw her switch her Justice portfolio for Internal Affairs.