Tamatoa V, born Tamatoa-a-tu Pōmare, (23 September 1842, Moorea – 30 September 1881, Pape'ete), King of Raiatea and Taha'a, was a son of Queen Pōmare IV of Tahiti.Adopted by Tamatoa IV King of Raiatea and Tah'aa, he succeeded him on 19 August 1857 and crowned at Opoa by The Rev. Platt, 1 December 1860. Deposed in 1871. He married to Moe Ma-hea-nu'u-a-Mai (Princess Moe-a-Mai) (elder daughter of Te-He-papai Ma-hea-nu'u-a-Mai, of Faaa, Judge of the High Court, Pastor and Mbr.