Rangiānehu 'Rangi' Mātāmua is a New Zealand indigenous studies and Māori cultural astronomy academic and is Professor of Mātauranga Māori at Massey University. He is Māori, of Tūhoe descent. He is the first Māori to win a Prime Minister's Science Prize, is a Fellow of the Royal Society Te Apārangi, and is the chief advisor to the New Zealand Government on the public holiday Matariki.