Mathai is a given name or surname, and may refer to: Mathai, a contestant on season two of American TV series The Voice John Mathai, economist who served as India's first Railway Minister and subsequently as India's Finance Minister Mathai Joseph, Indian computer scientist Mathai Manjooran, Indian freedom fighter from Kerala Mathai Varghese, mathematician and an Australian Research Council Senior Research Fellow at the University of Adelaide M.O. Mathai, Special assistant of the Prime Minister of India Jawaharlal Nehru Wanjira Mathai, Kenyan environmentalist. Wikipedia