Hēmi Kelly (Ngāti Maniapoto, Ngāti Tahu–Ngāti Whāoa) is an author, licensed translator and teacher of te reo Māori. He is involved in Māori language planning and revitalisation initiatives in a number of organisations. Hēmi translated Witi Ihimaera’s novella Sleeps Standing and the world acclaimed novel The Alchemist into Māori.
He published his first book A Māori Word a Day in 2018 and his second book A Māori Phrase a Day in 2020. Hēmi is the director of Tautika Ltd, a Māori language consultancy and the creator of Everday Māori, a social media platform that shares te reo Māori learning content.