丹尼尔·谭米特（英语：Daniel Tammet，1979年1月31日－）是一位因患有学者综合症而拥有超常智力的英国作家，有“脑人”（Brain Man）之称。他是迄今为止唯一一位能够正常交流并把他脑中信息处理的过程表达出来的自闭学者，这让他受到了许多神经科学工作者的关注，丹尼尔·谭米特也被称为解开人类大脑信息编码奥秘的“罗塞塔石碑”。在2007年由4000多名英国人进行的投票调查中，丹尼尔·谭米特入选世界上“在世的一百位天才”，名列第十五位。

Daniel Tammet FRSA (born 31 January 1979) is an English writer, essayist, translator, and autistic savant. His 2006 memoir, Born on a Blue Day, about his life with Asperger syndrome and savant syndrome, was named a "Best Book for Young Adults" in 2008 by the American Library Association Young Adult Library Services magazine. His second book, Embracing the Wide Sky, was one of France's best-selling books of 2009. Thinking in Numbers, his third book, was published on 16 August 2012 by Hodder & Stoughton in the United Kingdom and on 30 July 2013 by Little, Brown and Company in the United States and Canada. His books have been published in 20 languages. He was elected in 2012 to serve as a fellow of the Royal Society of Arts.