Mapu Tangatatutai Taia OBE (28 April 1939 - October 2015) was a Cook Islands politician. He served as Speaker of the Cook Islands Parliament from 2006 to 2010. He was a member of the Cook Islands Democratic Party and held the traditional title of Kakemaunga Mataiapo. Taia was elected to the Cook Islands Parliament as MP for Mauke in the 1999 election. He was appointed Deputy Speaker in 1999. In 2004 he was the Democrat's candidate for Speaker, but lost to Norman George. He was appointed Speaker in 2006, and served in that role until he retired at the 2010 election.