Tupoutapuki-‘o-Pulotu Tuputupu Vaea, The Honourable Baroness Vaea of Houma (née Ma'afu-'o-Tukuialahi) is a Tonga noblewoman and royal. Vaea and her late husband, former Prime Minister of Tonga Baron Vaea (1921-2009), are the parents of the present Queen of Tonga, Queen Nanasipau'u. She is the mother-in-law of the present King of Tonga, Tupou VI. She is the eldest daughter of Siosaia Lausi’i, 7th Ma’afu-’o- Tukui’aulahi, of Vaini and his wife, ’Anaukihesina Lamipeti.