Francisco Maduro Dias Coelho (Angra do Heroismo, 12 February 1904 – Angra do Heroismo, 21 December 1986) was a Portuguese poet, painter, sculptor, illustrator, teacher, set designer and an overall "theatre man". He was one of the founders of the Instituto Histórico da Ilha Terceira (literally Historical Institute of Terceira Island), having an important role in the cultural scene of the first half of the Azorean twentieth century.